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Freelance Statisticians
Check out freelance Statisticians on Upwork, with the skills you need for your next job.
- $115 hourly
- 5.0/5
- (37 jobs)
I'm an experienced data scientist specializing in data analysis, preprocessing, and AI-based solutions. I help clients identify when their real problem is in the data rather than needing complex ML algorithms. I excel in solving complex business challenges through tailored solutions and expert consultation. I'm skilled in advanced math (academic level), AI agents, and data visualization (Looker Studio), which can be a stand-alone consultation or a nice bonus to your project! I deliver comprehensive end-to-end solutions - from data provider negotiation to preprocessing, modeling, implementation and documentation. I'm also available for consultation. "Greg knows LLM tools like langchain *really* well. He understood a genuinely tough problem and helped me solve it super fast. Highly recommended!" "Grzegorz Wiktorowicz, is a great financial developer...he understands the problem very quick and and dig that problem in minute manner and sloves it...hoping to catch with him in future projects .thanku" "Thank you very much sir for the super fast and extremely professional algorithm and program creation. I am super happy that we have met and I definetely would like to work together in many many more projects together." "Very professional and quick! Extremally detailed response and provided with ways to improve our business as an extra! We will for sure hire again! Thanks again" With over a decade of experience, I've successfully addressed a wide range of business issues, including internet casinos, sports betting, logistic optimization, and stock trading, among others. Employing detailed analysis and strategic resource planning, I've consistently delivered results that meet or exceed client expectations. Proficient in Python, C, and SQL, I hold cloud-native certifications as a Google Cloud ML Engineer and Data Engineer. Beyond task execution, I possess a deep understanding of methodologies, their strengths, and limitations. My background as a former scientist uniquely positions me to ensure your projects align with best practices and achieve your objectives. My adaptability and extensive knowledge make me an ideal partner for your data science needs. Whether you require data-driven solutions, want to discuss your project's unique demands, or need guidance on best practices, please don't hesitate to reach out. Initial consultations are free, and I'm eager to collaborate with you to achieve your goals. EXPERTISE: - data science and analytics - data engineering and management - Machine learning and AI - Quant trading - Data visualization and storytelling - Cloud engineering - consultation SKILLS: Python (full data stack, incl. Pandas, SciPy, Scikit-Learn, jupyter, plotly) Time Series Analysis/Forecasting (financial, trading, observations, predictions) Data visualisation - Looker Studio Masterclass certification GCP (BigQuery, Storage strategies, ETL, ML, migration, efficiency and cost reduction) - Google Cloud Professional Data Engineer certification - Google Cloud Machine Learning Engineer certification LLM (langchain, pinecone, llama.cpp, transformers, OpenAI, chatGPT) Git, docker, MATLAB, slurm, bash, linux, SQL (GoogleSQL, Postgres, MySQL) Statistics (academic level, incl. data analysis and modelling, Monte Carlo, bootstrapping, hypothesis testing) >> Drop me a massage so we can analyze your needs together (it's free!)Statisticians
MathematicsBigQueryLangChainLLM Prompt EngineeringQuantitative AnalysisStatisticsGoogle Cloud PlatformData AnalysisOptimization ModelingAstrophysicsChatGPTTime Series AnalysisData ScienceMachine LearningMATLABPython - $120 hourly
- 5.0/5
- (105 jobs)
start.daviddoesdata.com. Expert-vetted GA/GTM pro who can audit/augment your tracking—with experience in tons of other technologies/platforms. I will find the signal in the noise of your data! Check out my intro video for a short overview of my services, or my website, start.daviddoesdata.com. List of specialties: * Auditing/Fixing your analytics implementation (Google Analytics, GTM, FB Pixel, others) * Enhancing your current tracking to capture more key user interactions * Visualizing your data in dashboard/BI tools like Google Data Studio * Quantitative analysis & statistical modeling * Automation/Data pipelining * A/B testing strategy, implementation & analysisStatisticians
AnalyticsData ScienceRQuantitative AnalysisPythonStatisticsLooker StudioSQLA/B TestingGoogle Tag ManagerGoogle Analytics - $70 hourly
- 5.0/5
- (8 jobs)
I am a statistician with more than 10 years of experience working as an independent consultant. My expertise areas are design of experiments, modeling and data analysis. I have experience with R, SAS, SPSS and Minitab. I have a degree and a PhD in Statistics from the National University of Rosario (UNR). In 2009 I received my BA in Statistics and in 2016 I finished my PhD in Statistics. My doctoral thesis addressed issues of design of experiments and was carried out under the mentorship of Prof. Christopher J. Nachtsheim of the University of Minnesota, USA. Since 2011, I provide consultancy and teach courses in companies and industries on specific topics in the area such as design of experiments and statistical process control. Likewise, provide biostatistical consulting to different institutions and professionals who work in areas related to health and clinical research. Between October 2019 and November 2021, I was part of the IQVIA Biostatistics department. Between April 2010 and March 2021, I worked as a professor at the Faculty of Economic Sciences and Statistics of the National University of Rosario (Argentina) in the subjects Design of Experiments, Sampling Methods in Censuses and Surveys, Data Collection and Primary Treatment of Information, among others. I have also taught postgraduate courses in various master's and doctoral programs.Statisticians
Experiment DesignStatistical Process ControlBiostatisticsModelingSurvey DesignLinear RegressionExploratory Data AnalysisSurvey Data AnalysisStatistical AnalysisRStatisticsHypothesis TestingMinitabData AnalysisSAS - $138 hourly
- 5.0/5
- (99 jobs)
Cornell/MIT educated data scientist with financial modeling and digital analytics experience at Fortune 500 companies. • Academic experience as TA/RA at MIT and Cornell University. • Advanced R, Python, SPSS, SAS, Tableau, SQL, MPlus. Some of the projects I have done are: • Time series analysis, financial forecasting and other econometric methods • ANOVA, MANOVA, GLM, SEM in social sciences • Biostatistics and medical research including analysis of clinical trials • Regression modeling • Machine learning and various statistical models in big data • Valuation, investment analysis and financial modeling in the investment banking industry • Risk modeling • Computer vision • Digital analytics such as campaign analysis for display (Facebook Ads, Google Ad Manager, etc.), customer insights (Facebook Insights), lead tracking (CallRail), SEM/PPC (Google Ads), and web traffic (Google Analytics) analysisStatisticians
Regression TestingStatisticsProduct AnalyticsGoogle AdsData AnalysisBiostatisticsMarketing AnalyticsEconometricsNeural NetworkTime Series AnalysisTableauPythonRSAS - $70 hourly
- 3.6/5
- (35 jobs)
🔴 Interested in Mid to Long-term Only! Seasoned professional with 6 years of hands-on experience, dedicated to crafting robust data solutions for informed decision-making. With expertise spanning across Business Intelligence (BI) and Machine Learning, I've cultivated a profound proficiency in these domains. LANGUAGES: 🔷 Confident in DAX, M, SQL, Python 🔷 Familiar with C#, NodeJs, TypeScript, PHP TOOLS & LIBRARIES: 🔷 Machine Learning: Adept with Hugging Face, Scikit Learn, Langchain, llama-index, spaCy, OpenAI GPT-3.5 Turbo, OpenAI Davinci-002, Tensor Flow, PyTorch, Jupyter Notebooks, and Google Colab 🔷 Analytics: Skilled in GCP, AWS, Azure, Kafka, Spark, and dbt cloud 🔷 Business Intelligence: Proficient with Power BI, Metabase, G-sheet & Google Appscript, and Looker Studio 💨 Let's talk Modern BI, Cloud & Serverless, Machine Learning, and Value Addition.Statisticians
Analytics DashboardBigQueryMicrosoft Power BI DevelopmentMicrosoft Power BI Data VisualizationData VisualizationBusiness IntelligencedbtGoogle Cloud PlatformData EngineeringData Warehousing & ETL SoftwareMicrosoft Power BISQLMachine LearningPython - $55 hourly
- 4.5/5
- (33 jobs)
Hi, I'm a data analyst/scientist with experience in the public, private and academic sectors. I have experience in: -Web Scraping: Rvest, Rselenium - Data Cleaning: Tidyverse (Dplyr, Tidyr, StringR) - Machine Learning: Tidymodels, Supervised and Unsupervised Learning, Feature Engineering, PCA, Cluster Analysis. - Data Visualization: Plotly, Ggplot - Georeferencing: Leaflet, 3D maps (Rayshader) - NLP: Topic Modelling, Sentiment Analysis. -Quantitative Analysis: Linear Regression Analysis, Chi Square, ANOVA, Panel Data, T-Test. I have a portfolio in my profile where you can check my skills and code. Hablo Español.Statisticians
Data ScrapingGeoreferencingStatisticsWeb CrawlingData MiningData AnalysisSentiment AnalysisRLinear RegressionData ScienceData Visualizationggplot2Machine LearningPlotlyNatural Language Processing - $150 hourly
- 5.0/5
- (37 jobs)
Generating a lot of data but not making sense of it? Overwhelmed by the latest trends in Data Engineering and Artificial Intelligence? Need someone who can speak in business terms while also having strong technical expertise? I've been working with Upwork since 2016, and am proudly part of the top 1% (Expert-Vetted) program. I've built the information structure of several companies across the globe in Marketing, Financials, E-commerce, and Agribusiness - regardless of their size. I've worked for 1000+ employees companies and small shops accordingly. I usually report directly to the CEO as CTO/CIO, to the C-level as data lead, or can also act as a team player - brain for hire for bigger teams. I like all kinds of challenges. What I can do: - Take your raw data, process and present it in a meaningful and reproducible way. My goal is to keep you aware of what's happening (in plain language, if you're a non-tech person) and to work together with your team (if you already have a tech structure) on every step of the process - from data extraction to final presentation. - Create (or advise you on how to build) new interfaces to update your existing systems with insights and KPIs derived from Business Intelligence and AI projects. - Suggest the best course of action and best practices for your situation. No matter your size. - Audit your existing information structure and point you to new possible revenue sources or cost reductions. If that resonates with what you need, get in touch. I'm always happy to help. For those techs out there, I usually work with: - R - Python - QlikView / QlikSense / QlikCloud - PowerBI - Tableau, But I've also worked with Klipfolio, Chart.io, and many other tools. I've developed interfaces and APIs for - OpenAI (ChatGPT) - Ai-Pro (Claude) - Google Analytics - SAP R/3 and HANA - Unleashed Software - Monday.com - ZOHO CRM and Campaigns - InfusionSoft - ActiveCampaign - GIS tools (ArcGIS, QGIS, PostGIS). What I also do: - Snowflake, Amazon & Azure datawarehousing - SQL querying and tuning (MySQL/MS SQL Server/PostgreSQL) - Big Data processing - Forecasting models - Marketing effectiveness analysisStatisticians
StatisticsGIS SoftwareData Analytics & Visualization SoftwareManagement ConsultingMicrosoft Power BIETLIT ManagementAPI DevelopmentDatabase ModelingSoftware DevelopmentSQL ProgrammingData AnalysisMarketing AutomationData WarehousingData Science - $150 hourly
- 4.9/5
- (182 jobs)
Welcome to our consulting services! We offer two main services: Consulting and Grant Writing. As a Ph.D. holder in Electrical Engineering and MSc and BS degree holder in Chemical Engineering, with 23 years of experience in engineering, scientific, research & grant writing work, we specialize in the following grant types: Grant Types: Small Business Innovation Research Grants (SBIR / STTR Phase I, SBIR / STTR Phase II, Direct to Phase II, and Fast Track Grant Proposals), research and development grants Agencies: National Science Foundation (NSF), National Institutes of Health (NIH), Department of Defense (DoD), AFWERX, Department of Energy (DoE), Department of Education (IES), Environmental Protection Agency (EPA), Department of Agriculture, as well as many others. Research Sectors: machine learning, AI, energy, manufacturing, chemistry, chemical engineering, polymer sciences, medical devices, biomedical technologies, digital health, mechanical engineering, environmental sciences, materials, formulations, Information Technology (IT), software technologies, hardware technologies, and drones, blockchain. Consulting: Our consulting services include grant strategy, technology planning, and technology development. With our unique combination of knowledge in engineering & science + business & commercialization skills, we provide clients with actionable insights and rock-solid technology work plans. Our services include: • Identifying SBIR / STTR solicitations • Identifying other grants for small businesses • Writing and reviewing NSF Project Pitch • Assisting with federal contractor registrations such as SAM (System for Award Management), Small Business Administration (SBA) Company Registry, NSF Fastlane, NiH eRA Commons, DoD Submission website, and grants.gov • Helping to create research and technology workplans • Creating SBIR / STTR commercialization plans (i.e., competitive analysis, patent analysis, financial projections, customer discovery, market risks) • Helping to develop the company’s team (i.e., Company and Team, consultant recommendations) Grant Writing: Our grant writing services specialize in SBIR / STTR Phase I and SBIR / STTR Phase II grants, and research and development grants. We offer a comprehensive range of services to navigate the world of government grants, including: • Proposal research and writing (Scientific literature, market research, and patent research) • Creating SBIR / STTR budgets • Reviewing and editing SBIR / STTR proposals • Submitting SBIR / STTR grant proposals Our track record speaks for itself. With over 130 companies served, we have helped businesses and researchers to evaluate their technology to successfully obtain funding and bring their business to the next level. Our services have been directly related to helping companies with SBIR, STTR, and grant planning, strategy, reviewing, research, and writing. In addition to our consulting and grant writing services, we also have teaching experience. Our founder has been an adjunct professor for St. Petersburg College in the Tampa Bay area since 2016 for various chemistry, physics, and engineering technology courses. We have authored many titles, including engineering textbooks and market research studies: ‘Designing and Building Fuel Cells’ (McGraw-Hill, 2007), and ‘PEM Fuel Cell Modeling and Simulation Using MATLAB’ (Elsevier Science, 2008), in-depth market research books ‘Opportunities for Coal-Based Products’ (BCC Research, 2006) and Global Electronics: High Growth Products and New Markets (BCC Research, 2007), Commercial Amino Acids (BCC Research, 2008), and educational texts “Renewable Energy Science Education Book” (Horizon Fuel Cell Technologies, 2009). Contact us today to learn how we can help your business obtain the funding it needs to succeed.Statisticians
GrantGrant ProposalGrant Objectives & MethodologyGrant Evaluation PlanGrant Writing ConsultationTechnical WritingQuantitative AnalysisGrant DocumentationProposal WritingGrant ApplicationGrant WritingWritingGrant Research & Prospect ListData ScienceStatistics - $200 hourly
- 4.9/5
- (36 jobs)
I combine extensive statistical experience with a relaxed, collaborative interaction style. With over 15 years experience as a statistician, I am familiar with modern statistical methods, as well as methods popular in data science. I have experience at top universities, and in industry, so I know how to meet the needs of a variety of clients. I am a data cleaning and management expert. I am highly proficient at developing custom programming solutions in Stata’s scripting and matrix programming languages. I also have experience with Mplus, SAS, SPSS, R, and Python. My methodological specialties include: - Complex regression models - Generalized linear models (e.g. logistic regression, Poisson models) - Analysis of longitudinal/multilevel data - Structural equation models - Clustering methods (latent class analysis and cluster analysis) - Methods for analyzing data with missing values (e.g. multiple imputation, FIML) Because each project and collaboration is unique, my approach to working with clients is flexible. Some examples of the services I offer are: - Create custom code to automate routine data management and reporting - Provide advice on data collection and research design - Implement statistical analysis plans - Author reports for a variety of technical and non-technical audiences - Perform complex data management tasks - Implement methods not available in existing software - Meet with you regularly to answer questions that come up in the research processStatisticians
Data ManagementBiostatisticsData MiningLogistic RegressionData ScienceLinear RegressionStatistical AnalysisStataData AnalysisStatistics - $25 hourly
- 5.0/5
- (5 jobs)
I graduated in economics in 2016. Next year I began studying for my master's degree application exam. My objective was to learn statistics and finance. So I was accepted and started my master's degree in 2018. Unfortunately, the institution I picked did not have a focus on statistics and finance. During my last semester, my frustration and problems with my advisor left me somewhat unmotived to finish my dissertation. So I went my master's degree. Since my graduation days, I have studied coding. I always thought that having the ability to gather, process, and analyze large amounts of data would be valuable in today's world. My first coding experience was with MATLAB and C/C#. MATLAB, my brother used to work with it, and I used to fiddle around to learn how to code ( did nothing special ). C/C#, I did a two-week tutorial I found online. Although I never used these two program languages later, they helped teach me some concepts in programming. While in my graduation, I started using the program languages R and Python. R I used due to its extensive statistical packages support, and the second to its more general usability. During My master's degree, I found myself doing some paid R coding. Usually, it was simple data inference, like running some simple code to find the best linear regression model with variable permutation. Furthermore, I did have some coding experience with Python in helping some research groups in reading SQL databases and scraping online data. After I exited my master's degree, early 2020, I did freelance coding data analysis ( ex.: Inflation prediction models ), machine learning ( ex.: House prediction models in Rio de Janeiro ), and data scraping. I have a Github page with examples github.com/marcoaurelioguerrap ( Although still in Portuguese, my native language. ). If you need statistical models for prediction, inference, or data to be scraped, or organized I might be helpful. Other knowledge I have are Risk Management ( VaR, ES calculations ), stock and options market backtesting, options price models ( BS, Monte Carlo, and SABR ), test for forecast Bias, regressions ( OLS, Logit, probit, Tobit, panel data, time series, GMM, ARIMA, GARCH ). lessStatisticians
Economic AnalysisEconomicsData AnalysisData MiningData ScrapingStatisticsSeleniumSQLData ScienceMachine LearningRPythonLinear Regression - $150 hourly
- 4.9/5
- (82 jobs)
*** Please note, I get a fair number of invitations to interview for jobs where the budget is very low, $50 or $25 and so on. While I would like to help, I just don't have the time for smaller or low-budget projects. I am looking for larger, multi-hour projects that are paid on an hourly basis (not flat fee) and have a minimum budget of $500. Thanks for understanding. *** I have over 30 years of experience in research, evaluation, statistics, and project management. I have advanced evaluation and statistical analytic skills and am fluent in Stata and SPSS and have been developing my analytic skills using R to where I am now comfortable working in this language as well.. I also use Mplus for latent variable modeling. I have designed and analyzed online surveys using Survey Monkey, Qualtrix, and REDCap. I have a PhD in clinical psychology and am a tenured Full Professor. I teach beginning and intermediate statistics to doctoral and master's level students. I also teach program evaluation and mental health policy, including substance abuse policy. For samples of my writing style, you are welcome to use the "Look Inside" feature on Amazon to review sections of my book: Substance abuse in America: A documentary and reference guide. I am also happy to provide samples of papers published in peer-reviewed journals. My writing and oral skills are excellent and I am comfortable both developing as well as conducting trainings, workshops, and presentations. I can also help with editing and writing technical or non-technical documents but I am highly selective about this kind of work. I will be happy to review sections in dissertations and theses, but I will not write these or other student papers because I believe this violates academic integrity. I also will not accept homework assignments for the same reason. Things I can help you do: 1) Translate data in Excel or ASCII format into a data set for analysis in just about any commonly used statistical program. 2) Run basic screening and descriptive statistics such as frequencies, measures of central tendency and dispersion, and distributional statistics to assess skew and kurtosis. 3) Run bivariate analyses such as t-tests, correlations, and chi-square tests as well as non-parametric procedures like Kruskal-Wallis. 4) Check missing values and conduct imputation-based analyses for missing data as needed. 5) Run more advanced analytical models including: factorial ANOVA, regression (OLS, binary, ordinal, and multinomial logistic as well as Poisson and negative binomial), GEE for repeated measures data, HLM, factor analysis, latent class analysis, SEM, and growth mixture models. 6) Review and advise on statistical analyses already run including interpretation of the findings. 7) Review, advise, and edit write-ups of statistical results and methods sections. 8) Prospective advice on study design, including sampling, measures, and data collection protocols. 9) Write and edit proposals. I am available to be a project evaluator and would be happy to help you write the evaluation section of your proposal as well as conduct the evaluation if funded. Or, if you just need a review and editing of your proposal, I can do that as well. 10) Develop surveys and survey questions. I have extensive experience developing surveys including online surveys using tools such as Survey Monkey, REDCap, and Qualtrics. If you are unsure whether I can help with your project, please do not hesitate to send me a message. I reply promptly and will give you an honest answer. I never take on work that I don't feel I can complete successfully and within your time frame or which might take me an inordinate amount of time.Statisticians
Regression TestingSurvey DesignQuantitative ResearchMultivariate StatisticsAcademic ResearchQuantitative AnalysisData ScienceLogistic RegressionStatisticsStataRData Analysis - $90 hourly
- 4.9/5
- (226 jobs)
You need to write a paper? The deadline is soon? There is statistics involved, and you just don't like that stuff? You don't have time or the nerves to do it? You wrote it but now it doesn't look like it should? And what's with the pesky rules about referencing? I'm here to help. With 6 years of experience in academic writing and a Master's degree in research psychology, I can make your paper shine! What you can expect from me: Detailed, error-free papers - either edited or written from scratch Correct referencing and formatting (APA, MLA, etc.) Professional style and great flow Statistical analyses conducted via SPSS, STATA, Jamovi, or R (t-test, chi square, regression, ANOVA, EFA, CFA and anything else you might need) Respect for deadlines Great, constant communication So look no further! Send me that job and let's see what we can do about it.Statisticians
WritingStatisticsStataRAcademic WritingFact-CheckingAPA FormattingData AnalysisScientific WritingQualitative ResearchQuantitative ResearchMicrosoft ExcelAcademic ProofreadingAcademic EditingSurvey Design - $75 hourly
- 5.0/5
- (176 jobs)
I have extensive experience conducting analyses in R, SPSS, AMOS, JASP, and jamovi. I also use R for visualizations, and can make R Shiny apps. I am experienced with descriptive statistics, t-tests, correlations, regression (linear, multiple, logistic, lasso, etc.), ANOVA, mediation, moderation, principal components analysis, factor analysis, structural equation modeling, discriminant analysis. I also can create a wide range of figures (e.g., box plots, bar charts, heatmaps, histograms, scatter plots, biplots, etc.), depending on what is required. My interests and previous experience include -omics research (e.g., metabolomics, lipidomics, etc.), psychology, cognitive neuroscience (including a lot of EEG data), and sports analytics. I have a Ph.D. in psychology, and currently work in statistics.Statisticians
Data AnalysisIBM SPSSMathematical ModelingBayesian StatisticsAcademic WritingAP Style WritingRStatisticsScientific ResearchAnalyticsData VisualizationStatistical AnalysisQuantitative Analysis - $100 hourly
- 5.0/5
- (45 jobs)
Hello! I'm an experienced and helpful research professional with over 20 years of survey research experience. I apply my knowledge of best practices to maximize your response rates and the reliability and usefulness of your results. I guarantee you’ll be happy with the service I provide! I have over 20 years experience conducting surveys and other social science research methods in business, government, and academic settings. I have a PhD in Social Psychology and have taught survey and research methods in undergraduate and graduate programs. I specialize in questionnaire design, testing, and analysis, but I have experience in other quantitative and qualitative methods too, especially focus groups and content analysis. I love helping people answer questions. I'm looking forward to helping you! To avoid conflicts of interest, I do not conduct research that is paid for by, or is conducted on behalf of, any national government, including the US federal government, political parties, or organizations that lobby for political issues. I also don’t work on “push polls” or deliberately biased surveys. Thanks for your understanding!Statisticians
Data AnalysisSurvey DesignQualitative ResearchSurveyMonkeyCustomer Experience ResearchStatisticsConsumer ResearchMarket ResearchQuantitative AnalysisInternet SurveySurveyQuantitative Research - $250 hourly
- 5.0/5
- (35 jobs)
Services: - Development of algorithmic trading systems for a wide range of assets including equities, futures, options, crypto and forex - Automation, backtesting and quantitative research - Evaluation, optimization and consulting to improve investment strategies such as avoiding backtest overfitting and other common pitfalls - Creation of customized indicators, factors, signal services and market scanners including automated notifications - Development and enhancement of framework modules such as execution algorithms (including TCA) and portfolio optimization models - Increasing the efficiency of trading algorithms so that large amounts of streaming data can be processed faster and less hardware resources are required Technologies & Tools: - Python including a wide range of libraries like pandas, numpy, numba, scikit-learn, matplotlib, seaborn and many more - QuantConnect / LEAN - Git and GitHub for version control and collaboration - Supported brokers for live and paper trading: Interactive Brokers (IB), Tradier, Binance etc. Bio: Quantitative trader and mathematician with strong affinity to financial markets and coding. Extensive experience in design, development and analysis of algorithmic trading strategies. I have been trading various financial instruments (equities, futures, options and currencies) for more than 10 years, whereas my approach has become more and more systematic over the years. I graduated with a Master's degree in Mathematics at University of Technology Dortmund (Germany) in 2016. My master thesis is about Schroedinger asymptotic of wave equations in periodic media. The subject belongs to the field of nonlinear partial differential equations and has applications in signal transmission using fiber optics technology. I then worked as an IT Consultant for 3+ years and was mainly employed as a data warehouse engineer and ETL developer in the regulatory reporting department of large financial institutions. I currently work full-time as a professional Quant Developer and have already invested many thousands of hours in R&D of financial markets and systematic trading strategies, building a deep knowledge of quantitative finance and algorithmic trading. Other remarks: My algorithms are always professionally designed and well documented, making them easy to follow. I mostly use the framework approach, so that the code is modular, pluggable and clearly structured, which also makes it much easier to perform adjustments or extensions. I am willing to sign a NDA, if desired, so that the intellectual property (IP) rights remain with you.Statisticians
Trading AutomationScriptingCapital MarketsMachine LearningFinancial ModelingPythonQuantitative AnalysisInvestment StrategyQuantitative FinanceSoftware DevelopmentAutomationQuantitative ResearchStatisticsMathematicsAlgorithm Development - $40 hourly
- 4.9/5
- (194 jobs)
I will assist you in academic writing and biostatistics of your medical research study. The Highest-Earning Academic Freelancer in the Middle East. I am a medical trainee and clinical researcher with +4 years of experience in medical writing and a robust medical and academic background. I have +30 international peer-reviewed publications that range from primary to secondary research studies. I have experience in both academic writing and biostatistics. I help researchers to complete and publish their medical research papers. Academic services include: -Systematic reviews and meta-analyses using PRISMA guidelines. -Direct, single-arm, or network meta-analysis, meta-regression, and trial sequential analysis. -Writing, editing, and proofreading manuscripts. -Data analysis: Descriptive and inferential statistics (hypothesis testing, nonparametric tests, t-tests, ANOVA, chi-square, correlation, regression, survival analysis, cutoff values, sample size calculation, multiple imputations, mediation analysis, and more). -Advanced data visualization. -Referencing with any citation style using tools like Mendeley and EndNote. -Paraphrasing and plagiarism check. -Medical illustrations using Biorender and Inkscape. -Grammarly premium, proofreading, and fact-checking. ✔️ Published +30 research papers. and +20 abstracts ✔️ Worked with +100 clients and achieved 100% client satisfaction in healthcare-related projects. ✔️ My background makes me a perfect match for any client looking for a freelancer to assist in any healthcare-related project. Here is what my clients say about me: 🔷 Yossef did an absolutely phenomenal job and was so helpful with our project. He was timely and very responsive and thoughtful to all questions we had, the best biostatistician our team has worked with. Our team hopes to work with him in the future, and I wish I could give 10 stars! ⭐⭐⭐⭐⭐ 🔷I had the pleasure of working with Youssef on a specialized project, and I was thoroughly impressed by his professionalism and communication. He demonstrated an exceptional ability to quickly understand complex requirements, and his expertise in the domain was evident throughout the project. The work was delivered with great attention to detail and in a timely manner. I highly recommend him and look forward to collaborating again in the future. ⭐⭐⭐⭐⭐ 🔷 Easy to communicate with, delivers the quality I wanted for my content, and does excellent work! I'm thrilled to work with him again on future projects. ⭐⭐⭐⭐⭐ 🔷I’m surprised of what Youssef is capable of, he is timely mannered and very proficient in what he offers, I highly recommend anyone looking for a great work to be done, Youssef is the guy for it. ⭐⭐⭐⭐⭐Statisticians
Scientific ResearchScientific Literature ReviewAcademic WritingAcademic ResearchResearch PapersTechnical WritingResearch Paper WritingSurvival AnalysisLinear RegressionLogistic RegressionRStudioIBM SPSSStatistical AnalysisData AnalysisBiostatistics - $60 hourly
- 4.6/5
- (307 jobs)
I hold a PhD in Quantitative Psychology from the University of Virginia (UVA) and a B.S. in Psychology with minors in both Mathematical Science and Statistics from the University of North Florida (UNF). I have worked as a member of the OpenMx structural equation modeling software development team, partnered with the World Health Organization on modeling global healthy aging between countries, and have spent the last few years working at an NSF funded AI Institute at the university of Colorado Boulder.. I have 15+ years of experience with statistical analysis and mathematical modeling, differential equation solving, structural equation modeling, factor analysis, machine learning, data visualization, R, SPSS, and other areas of applied mathematics.Statisticians
Statistical AnalysisQuantitative AnalysisAcademic ResearchSurvey DesignRegression TestingStatistical ComputingStatisticsMachine LearningMathematical ModelingQuantitative ResearchLinear RegressionR - $95 hourly
- 5.0/5
- (14 jobs)
I'm a financial markets professional with a background in software engineering (full-stack+data). - I've worked as a partner/portfolio allocator in a systematic cross-asset quant hedge fund in London. I was designing algorithms and leading a team, independently managing our projects to completion. - I set up a data infrastructure involving multiple industry-level APIs. - I have a strong knowledge of different asset classes (equity, commodities, FX, credit, rates...) and instrument modelling (options, bonds, etc...) - Dual expertise: as easy in software development as in portfolio management, accepting projects for both.Statisticians
Investment BankingInvestment ResearchProject Risk ManagementData ProcessingInvestment StrategyAlgorithm DevelopmentEngineering SimulationData CollectionData CleaningData InterpretationMarketing AnalyticsStatisticsData Analysis - $35 hourly
- 4.5/5
- (21 jobs)
Are you a forward-thinking business looking to boost sales, reduce churn rates, or optimize operations? Do you want to gain a deeper understanding of your customers, revenue streams, and marketing efforts? As a seasoned data expert, I'm here to help you make informed, data-driven decisions that drive growth. With expertise in Tableau, Looker, Power BI, and SQL, I empower businesses like yours to transform raw data into actionable insights. My experience spans ecommerce startups to MNCs, and I've worked with clients across various industries like finance, fashion, services, health, and more. 📊 Expertise Highlights 💡 ✅ Masterful consolidation of data sources like Shopify, GA4, Meta, Google Ads, Klaviyo, and web apps ✅ Data Modelling, and Cleaning utilizing optimized SQL queries, Tableau Prep or Alteryx ✅ Seamless integration of Databases (Redshift, Snowflake, Databricks etc) with BI tools (Tableau, Power BI, Looker) ✅ Developed interactive reports showcasing key metrics like CTR, AOV, ASP, Revenue, Clicks, Spend, ROAS, Conv. Rate, Gross Margin% etc. ✅ Expert administration of Tableau, Looker, and Power BI Server/Cloud 🌟 Your Partner in Data-Driven Excellence 📊 Discover the insights that matter: ✅ Which marketing channels drive the most conversions and revenue? ✅ What's the customer journey from acquisition to retention? ✅ Which products or services have the highest profit margins? ✅ Where are the opportunities to optimize pricing and inventory? ✅ How can you predict and prevent customer churn? I'll guide you in achieving your goals with data-driven insights, leveraging my expertise in financial acumen and strategic business analysis. 🌟 Let's Unlock Your Data's Potential Together! 📈 Click the "Invite To Job" button to collaborate and elevate your business with data-driven excellence! :)Statisticians
Amazon RedshiftSalesforce CRMSnowflakeShopifyData ModelingStatisticsDatabricks PlatformData AnalysisMicrosoft Power BIProblem SolvingBusiness IntelligenceData VisualizationMicrosoft ExcelSQLTableau - $55 hourly
- 5.0/5
- (44 jobs)
I am an Epidemiologist, Bio-statistician and an AI-integration specialist | I've worked at 𝐂𝐨𝐜𝐡𝐫𝐚𝐧𝐞 (produces gold standard systematic reviews), collaborated with 𝐛𝐢𝐠 𝐩𝐡𝐚𝐫𝐦𝐚𝐬, consultancies, academia, government and non-governmental organizations of various regions of the world (full-time) including 𝑨𝒔𝒊𝒂, 𝑴𝒊𝒅𝒅𝒍𝒆 𝑬𝒂𝒔𝒕, 𝑬𝒖𝒓𝒐𝒑𝒆 𝒂𝒏𝒅 𝑨𝒖𝒔𝒕𝒓𝒂𝒍𝒊𝒂. I've mentored 𝟐𝟎𝟎+ 𝐬𝐜𝐡𝐨𝐥𝐚𝐫𝐬 globally (including 𝟒𝟎+ 𝐩𝐫𝐨𝐟𝐞𝐬𝐬𝐨𝐫𝐬) on integrating AI ethically in their research and reviews to improve both the QUALITY and EFFICIENCY of research. Have specific questions? Book consultation with me! I've experience with 𝐝𝐢𝐯𝐞𝐫𝐬𝐞 𝐭𝐲𝐩𝐞𝐬 𝐨𝐟 𝐒𝐲𝐬𝐭𝐞𝐦𝐚𝐭𝐢𝐜 𝐑𝐞𝐯𝐢𝐞𝐰𝐬 (SRs) including Clinical SRs, Public Health SRs, Methodological SRs and even SRs of SRs (Umbrella review/ Overview of reviews. Skilled in a wide range of SR software, to name a few ▼ ✅ Covidence ✅ DistillerSR ✅ Rayyan ✅ RevMan If you're struggling to create your 𝐃𝐚𝐭𝐚 𝐄𝐱𝐭𝐫𝐚𝐜𝐭𝐢𝐨𝐧 𝐭𝐞𝐦𝐩𝐥𝐚𝐭𝐞, reach out - that's my full-time work! 𝐘𝐨𝐮 𝐜𝐚𝐧 𝐭𝐫𝐮𝐬𝐭 𝐦𝐞 𝐰𝐢𝐭𝐡 𝐒𝐭𝐚𝐭𝐢𝐬𝐭𝐢𝐜𝐬 / 𝐃𝐚𝐭𝐚 𝐀𝐧𝐚𝐥𝐲𝐬𝐢𝐬 👇 I am an evidence-based and results-driven researcher who managed Pakistan´s COVID-19 surveillance and vaccination data analysis team and 𝒊𝒏𝒇𝒍𝒖𝒆𝒏𝒄𝒆𝒅 𝒕𝒉𝒆 𝒏𝒂𝒕𝒊𝒐𝒏𝒂𝒍 𝑪𝑶𝑽𝑰𝑫-𝟭𝟵 𝒓𝒆𝒔𝒑𝒐𝒏𝒔𝒆 Skilled in various Statistical software, including ▼ ✅ Stata ✅ R ✅ SPSS I possess a Double-Master degree in Public health (from UK), specialized in Advanced Epidemiology and Biostatistics (from France) 𝑃𝑙𝑒𝑎𝑠𝑒 𝑛𝑜𝑡𝘦 𝑡ℎ𝑎𝑡 𝑡ℎ𝑒 ℎ𝑜𝑢𝑟𝑙𝑦 𝑟𝑎𝑡𝑒 𝐼 ℎ𝑎𝑣𝑒 𝑚𝑒𝑛𝑡𝑖𝑜𝑛𝑒𝑑 𝑜𝑛 𝑚𝑦 𝑝𝑟𝑜𝑓𝑖𝑙𝑒 𝑖𝑠 𝑎𝑛 𝑎𝑣𝑒𝑟𝑎𝑔𝑒 𝑒𝑠𝑡𝑖𝑚𝑎𝑡𝑒 𝑎𝑛𝑑 𝑣𝑎𝑟𝑖𝑒𝑠 𝑎𝑠 𝑝𝑒𝑟 𝑡ℎ𝑒 𝑚𝑒𝑛𝑡𝑎𝑙 𝑒𝑛𝑒𝑟𝑔𝑦 𝑡ℎ𝘦 𝑝𝑟𝑜𝑗𝑒𝑐𝑡 𝑟𝑒𝑞𝑢𝑖𝑟𝑒𝑠.Statisticians
EpidemiologyBiostatisticsHealth & WellnessStatisticsScientific Literature ReviewResearch MethodsPublic HealthData ExtractionManagement SkillsData AnalysisData Interpretation - $60 hourly
- 4.9/5
- (119 jobs)
I am a data scientist with 10 years of experience. I hold a BSc in Economics and a MSc in Data Mining both from the University of Buenos Aires. Upwork Badges: Expert-Vetted and Top-Rated Plus - Top 1% in the platform Below are some of the common task I'm consulted with: - SFT esperience with LLMs such as Mistral 7b, Mixtral MoE, Llama2 models, T5, - Prompt engineering with openai models (GPT-3.5, GPT-4) and open source models (Mixtral ). - Deep learning for NLP - Exploratory data analysis, Statistics, Data Visualization - Machine learning for Marketing use cases - Time series forecasting - Quantitative Finance - Machine learning for finance/trading - Applied Statistics Programming Languages - 10 years of experience - Python: keras, tensorflow, pytorch, huggingface, numpy, scikit-learn, pandas, opencv, spacy, openai, langchain, transformers, sentence-transformers - SQL - R New clients often hire me for one project that helps them get to know how I work, this is normally the start of a long term work relation. Expect integrity, fluid communication in English, technical proficiency and long term support.Statisticians
ggplot2Data AnalyticsA/B TestingExploratory Data AnalysisData AnalysisStatisticsPredictive AnalyticsPythonRpandasData ScienceBayesian StatisticsData Science ConsultationDeep LearningMachine Learning - $55 hourly
- 4.9/5
- (194 jobs)
CONSULTATION IS FREE! WHO AM I? I am a skilled Data Analyst with a track record of successfully completing over 300 projects across various platforms. Proficient in a wide array of data analysis and visualization tools such as Excel, Google Sheets, Tableau, Power BI, Google Data Studio, Python, SQL, PowerApps, Power Automate, AppSheet, and Google Apps Script. WHAT DO I PROVIDE? In addition to providing ongoing, free, lifetime, support for my services, I offer complimentary consultations prior to project commencement. These consultations aim to establish clear objectives and guide you towards tailored solutions for your business needs. With a comprehensive understanding of organizational structures and key performance indicators, gained through my ongoing pursuit of a Master's Degree in Business Administration, I can effectively cater to diverse departmental requirements. My services encompass the development of visually engaging applications, dashboards, and reports, enriched with actionable insights derived from your data. Following project delivery, I conduct ZOOM sessions to ensure thorough training on product utilization. Furthermore, I am skilled in automation, offering expertise in streamlining repetitive tasks that burden you or your team on a routine basis. I am available for both freelance engagements and full-time positions. If you seek a proficient data analyst capable of deciphering your data and providing strategic insights to enhance business processes, I encourage you to reach out to me today. CONTACT me to schedule your complimentary consultation or to explore how my expertise in data analysis and automation can benefit your business.Statisticians
Google Apps ScriptMicrosoft PowerAppsAppSheetMicrosoft Power AutomateData ScienceLucidchartStatisticsData AnalysisPower QueryData VisualizationSQLLooker StudioPythonTableauMicrosoft Power BI - $100 hourly
- 5.0/5
- (77 jobs)
I am a finance professional with over six years of work experience in the areas of financial risk management and derivatives valuation and trading. I have worked as an analyst at Credit Suisse, and as a senior consultant at PwC, and I have been an active trader in the derivatives market for four years. I have a BTech and an MBA, and I'm proficient with R, Python, MATLAB, Excel and VBA. I'm familiar with the major concepts of Financial Accounting, Corporate Finance, Economics and Econometrics. In my career, I have worked extensively with derivatives - options and futures. As a result, I've acquired a strong understanding of their workings - their payoff profiles, risk profiles, and valuation. I have worked with various valuation models for derivatives - binomial, Black-Scholes, stochastic volatility models.Statisticians
MATLABPythonRFinancial RiskEconomicsFinancial AnalysisEconometricsCorporate FinanceDerivatives TradingFinancial ModelingFinancial PlanningStatisticsAccountingMicrosoft Excel - $350 hourly
- 5.0/5
- (43 jobs)
I am a full-stack data scientist and data engineer with a track record of over 2500 hours on Upwork, and I've accumulated countless more offline. My experience spans a wide range of technology stacks within the data science and data engineering domains. From developing machine learning models to optimizing data pipelines, I bring a wealth of expertise to the table. Front end: ui/ux, django, flask, streamlit Back end: micro service, rest api, database performance optimization CI/CD: jenkins, gitlab, Kubernetes, Docker Security: secure file transferring and oAuth etc Web scraping: Scrapy, Rotation Proxy, Selenium, Beautifulsoup Cloud: AWS, GCP, Azure Dashboarding: Tableau, PowerBI, Plotly, Dash Data Science: Python, R, SQL, NLP/NLG, AIGC, GPT-3, ChatGPT, HuggingFace, ML Predictive Modeling, Reinforcement Learning, Knowledge Graph Neo4j, Recommendation Engine, Deep Learning, Computer Vision, OCR, GAN, DeepFake, Stable Diffusion, Signal Processing, Voice Clone, Chatbot, Sports betting, Price Optimization, Time Series Analysis/Forecasting, Crypto, Solidity, Tokenomics, Research: Published around 100 papers on conferences and in peer-reviewed journals. --- Besides my Ph.D., I obtained several certificates from world-renowned institutions in data science, helping me form sound hypotheses and clear conclusions combined with a concise visualization. In addition, I have hands-on experience on many real-world data science projects for clients from all over the world in different industries. I have worked as a consultant for many start-ups on various projects and I have solid background on both research and development. --- Some of the feedback clients provided to me: ⭐⭐⭐⭐⭐ "Very efficient and timely with his work, Stijn put together a very comprehensive analysis of the data and charted it in a very orderly fashion. Obviously very good with more sophisticated stats and working with raw data, and great to work with." ⭐⭐⭐⭐⭐ "Stijn was very professional and extremely skilled. He went much beyond the instructions that were laid out and provided outstanding work. A real pleasure to work with. I honestly can't recommend him enough!" ⭐⭐⭐⭐⭐ Stijn worked on this project for 2 to 3 weeks, he is not only a highly skilled professional, but he is also someone that will make you smarter along the way. ⭐⭐⭐⭐⭐ Most freelancers I tried to work with for this project told me it was impossible to accomplish, it goes to show that Stijn was simply on a higher level. ⭐⭐⭐⭐⭐ "Stijn was super knowledgeable, he is a true professional. For this project he took the time to meet and brainstorm, see what the needs were and how we could go around some of the issue we may encounter. The final product is even better that what I could ask for, I also became a lot more educated and am looking forward to keep on working with Stijn! I have never met someone as skilled and knowledgable about the subject as Stijn."Statisticians
Business AnalysisData MiningData VisualizationQuantitative AnalysisData AnalysisStatisticsData ScrapingStatistical AnalysisData ExtractionTableauMachine Learning ModelMachine LearningData SciencePythonR - $30 hourly
- 4.6/5
- (69 jobs)
Are you looking for an experienced Data Analyst and AI Engineer who has expertise on LLM, Python, SQL, DBT, Power BI , Google Data Studio and Tableau? If yes, then you are in the right profile! I have more than 3 years of working experience as a Data Analyst and have hands on experience of data analysis using python and SQL. I also have expertise in creating dashboard using Tableau, Looker, Mode, Google Data Studio etc. BI tools. I have already worked as a data analyst in 2 local and American renowned companies, where my key responsibilities included analyzing data and creating dashboards using different BI tools. I have done lots of professional projects as a Data Analyst in my workplace. Apart from these, I also have good knowledge of data science including machine learning, computer vision etc. I am here to serve the Upwork community more with the knowledge and experience I have gained already. Some of my key skills are: ✅ I have Experience of Creating applications using LLM Model and also Fine tuning those. ✅ Data Analysis using python libraries like Numpy, Pandas. ✅ Data visualization using python libraries like matplotlib, seaborn, plotly. ✅ Expert on writing SQL queries in any database. ✅ Expert in installing DBT and writing DBT models. ✅ creating chatbot, Q/A bot etc. using RAG, LLM, Langchain and different generative AI concepts. ✅ Skilled in performing analysis using Google sheets & Excel. ✅ Creating dashboards in Tableau, Looker, Mode, Google Data Studio (Certified Developer- Google Academy Certification) etc. ✅ Writing DAX in Power BI and also creating Dashboard. ✅ Perform A/B testing. ✅ Have expertise in creating Machine Learning solution. I am very passionate about my jobs. I try to be punctual in all tasks and I am also a very fast learner which helps me to understand any new challenge very fast and easily. I am always willing to go beyond expectations. It will be my pleasure to help you to solve any issue and achieving your goals. In case you need any help related to Data analytics and Data Visualization, do not hesitate to contact me. I'm glad to help you with that. Regards, SouravStatisticians
SnowflakedbtGoogle AnalyticsMySQLData AnalysisBigQueryStatisticsBusiness IntelligenceTableauLooker StudioLookerPythonSQLMicrosoft Power BIMachine Learning - $35 hourly
- 5.0/5
- (61 jobs)
I am a pharmacist with 12 years of cumulative experience in sales, marketing, and digital marketing in different pharmaceutical companies in addition to my own successful startup private business. I enjoy surfing data with Python to reach very rich data insights using my data science and statistical skills My real passion is in investment in different financial markets, I do have a long experience in technical analysis in financial markets and I currently work on developing systemic trading strategies that are based on technical and quantitative analysis methods. I have an MBA degree in the global management field from ESLSCA, and I have a Master in Science of financial engineering.Statisticians
AnalyticsNeural NetworkTensorFlowAlgorithm DevelopmentQuantitative FinanceForex TradingTechnical AnalysisMachine LearningLinear RegressionData ScienceData VisualizationData AnalysisStatisticsPython - $100 hourly
- 4.9/5
- (1,382 jobs)
I'm a long term trader using automated and manual trading methods. I completed 1000+ MT4 & MT5 programming jobs on Upwork. I develop and trade my own trading systems and write Expert Advisors, Indicators and Scripts for MetaTrader4 & MetaTrader5 for me and my clients. I was fascinated by trading opportunities when I first learned about them more than 20 years ago. I study markets, trade, develop and test systems since then. I use my trading and programming experience to help other traders to implement and test their own trading ideas. Being a trader and a coder allows me to provide services that really answer traders needs. I use my skills to make my fellow traders life easier, and their ways to success shorter.Statisticians
Financial WritingMQL 5MQL 4StatisticsMetaTrader 5MetaTrader 4Forex Trading Want to browse more freelancers?
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