Hire the best Data Cleaning Professionals in San Diego, CA

Check out Data Cleaning Professionals in San Diego, CA with the skills you need for your next job.
  • $150 hourly
    ⭐⭐⭐⭐⭐ "Aaron is the best statistician I ever collaborated with in my 20-year research career" -Grace W. | PhD & Assistant Professor ⭐⭐⭐⭐⭐ "Aaron is one of the most skillful statistical consultants that I know and has consulted with our labs for several years" -Christoph F. | PhD & Full Professor I offer client-oriented statistical/data services and provide efficient and precise solutions for your data analytic needs. With 13+ years of experience as a PhD-level researcher, I have the qualifications and experience to help you with all stages of your (big or small) data and statistical analytic needs. ⭐Here's the services I can bring to your project:⭐ ✅ Data/statistical analysis (from basic to advanced methods) ✅ Statistical computing (R programming, RStudio, Quarto, SAS, SQL) ✅ Analytic plan development ✅ Data extraction/generation, data mining ✅ Data management and wrangling (including BIG and small data) ✅ Data visualization, data dashboards ✅ Automated business/data reports (can be quickly updated on monthly/weekly/daily basis) ✅ Academic research, academic proofreading ✅Technical/academic writing (grants, article writing, 60+ peer-reviewed publications) My substantive areas are in, but not limited to, health, psychology, epidemiology, social sciences and health services. I can help with your data analytic and statistical needs (see technical details below), along with developing automated data reports and visualizations. I also am highly experienced in working collaboratively with multidisciplinary research teams. Further, I value treating others with respect, empathy, and I genuinely care about solving my client's data-related issues and 'stuck points'. ⭐Why choose me over others?⭐ ✅ Extremely responsive and value keeping open communication with clients ✅ Perseverance with any issues a client is facing to find the best solution(s) ✅ Over-delivering and making sure my clients are more than just satisfied ✅ Reliable and knowledgeable to ensure very effective/efficient solutions to client's needs Details of my technical skills: Analytic Methods: Meta-analysis (random effects, multi-level, network, and longitudinal meta-analysis), predictive analytics, regression (linear, logistic, negative binominal, Poisson), correlation, randomized-controlled trials and quasi-experimental propensity score matching, simulation studies, power analyses, machine learning, confirmatory and exploratory factor analysis, hierarchical linear modeling/multi-level modeling (MLM), longitudinal MLM analysis, path analysis, scale development, reliability and validity assessment, analysis of variance. Software: R, RStudio, R markdown, Quarto, Dashboards (Tableau, Power BI, Looker Studio, Shiny R), SAS (certified), SQL, Microsoft Excel/VBA/SSRS, Python, Mplus, Comprehensive Meta-Analysis, SPSS, Tidyverse, ggplot2, metafor, lme4, lmer, compute.es, MAd.
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    Markdown
    Data Mining
    Predictive Analytics
    Statistics
    Big Data
    Data Analytics
    Data Analysis
    Data Wrangling
    Data Science
    Epidemiology
    Tableau
    Report Writing
    R
    Data Visualization
  • $15 hourly
    Hello, I have worked for many respected clients doing VA jobs for marketing, sales, recruitment, IT, and real estate. My expertise includes research, data entry/data mining, lead generation, and LinkedIn list building for many years. I can understand and follow instructions very well and handle large quantities of work. I'm proficient in MS office, and Google documents/spreadsheets and have access to data scraping/email search tools. I've used HubSpot, Salesforce, Jira, Mailchimp, Dynamics, and Constant Contact. I am a Web Research, Data Entry & Lead Generation Specialist and have been working in this field since 2018. I ensured that my work gets done efficiently and accurately. I am detail-oriented, highly organized, and efficient. just send me a message here on Upwork. I am always available and willing to work at any given time. If you are looking for fast and effective Data Entry, Web Research, or Lead Generation services for your business? I can provide more than that! What separates me from most of the freelancers on Upwork? ▪️ Fast project turnaround time. ▪️ Excellent communication skills ▪️ Extremely fast, efficient, meticulous, hard worker ▪️ Quick learner ▪️ Going beyond client satisfaction ▪️ Resourceful, Tech-Savvy I am a highly motivated, self-starter able to build long-term business relationships with a number of clients. I can understand and follow instructions very well. I am a dedicated, hardworking, and reliable person with strong attention to detail and the ability to work efficiently. My main objective is to establish a successful long-term working partnership with clients who are eager to get their work done by an expert who knows his stuff. I believe that determination, persistence, and patience in everything I do are my keys to success. I have outstanding communication skills, and virtual assistant capabilities, can multi-task, proactive, and self-starter, and have the ability to follow through with superior organizational skills Looking forward to expanding my knowledge and working with you! Warmest regards, Maria W.
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    LinkedIn Sales Navigator
    PDF Conversion
    Data Mining
    Data Scraping
    Lead Generation
    Prospect List
    Data Extraction
    List Building
    Online Research
    Copy & Paste
    Sales Lead Lists
    LinkedIn Lead Generation
    Microsoft Excel
    Data Entry
  • $35 hourly
    Marketing is the bloodline of each business. Qualified leads can boost your business and without a steady steam of it is a flat line. Congratulations!!! You're finally ready to take action in your marketing campaign that keeps going somewhere and not knowing if you are sending it to the right target. 🤔 I can help. How did I do it? While continuously studying new techniques and platforms where the target leads congregate, I integrate my expertise and years of experience in Data Analytics, Lead generation and Research. Let my skills speak for me: 💡Data Analytics 💡 Lead Generation Tools: Sales Navigator, D&B Hoovers, Zoominfo, Lusha, Nuwber, Clustrmaps 💡 Email Address Finders: Hunter, Neverbounce, AeroLeads, Reply.io 💡 CRM: Salesforce, Hubspot, Pipedrive, 💡 Communication Tools: Slack, Dialpad, Teams, Intercom, Ooma, Telegram Let's talk. Profisi
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    Prospect Research
    Data Mining
    Data Analysis
    SQL
    PostgreSQL
    Prospect List
    Online Research
    Microsoft Excel
    Data Scraping
    Market Research
    Lead Generation Analysis
    Lead Generation
    LinkedIn
    List Building
  • $125 hourly
    I am a results-driven data scientist with over 10 years experience conducting full-cycle research projects and developing and managing data products. I have a PhD in Political Science and have been working as a research and statistics consultant for over 5 years. I’m well versed in both quantitative and qualitative methods--regression analysis, predictive modeling, dimensionality reduction, focus groups, content analysis--and research design. I am also fluent in a range of tools and software (including Excel, Google Data Studio, R, and SQL) Beyond a command of the must-have data science skills, I bring a background in teaching and training. This means I don't assume you know what I'm talking about, I'm very good at figuring out what you need and how to get you there, and that I know the value of prompt, thorough communication. I'm also a deeply curious person who loves to help clients problem solve, productize their data, and improve their business ops. If you are looking for a Data Scientist, Data Analyst, Statistician, or Digital Product Developer/Manager, I could be your person. This might mean cleaning and wrangling data, analyzing data and creating written reports, helping you understand statistics, creating graphics to help you tell a data story, or productizing your data catalog to help you sell to clients. Go ahead and reach out, or send me an invitation to your project. I'll get back to you ASAP! I look forward to finding out how we can work together to achieve your goals!
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    Product Development
    Product Management
    Academic Writing
    Business Analysis
    Data Analytics & Visualization Software
    Data Analysis Consultation
    Data Collection
    Statistics
    Machine Learning
    Statistical Analysis
    Quantitative Research
    Data Science
    Data Visualization
    Dashboard
  • $50 hourly
    I'm a healthcare & life sciences professional with an analytical mindset. If you need help getting a product to market, I have extensive experience in managing all aspects of research and development projects including clinical and statistical planning, grant-writing or FDA submission preparation, budgeting, execution and analysis, documentation, publication, and presentation. I have an endless desire to learn and put my analytical skills to use for product innovation and commercialization. Proven expertise in: * Research & Analysis * Biomedical Sciences * Data Analytics * Written / Oral Communication * Statistical Analysis
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    Medical Records Research
    Agile Project Management
    Electronic Health Record
    C++
    Data Mining
    Information Analysis
    Analytics
    Electronic Medical Record
    Data Science
    Analytical Presentation
    R
    Data Analysis
    Marketing Analytics
    Domo
  • $40 hourly
    I am excited to share my passion for technology, data analysis, and research. I am well-equipped to make a meaningful contribution to your project. Working with you will be an honor. I am confident that I can bring valuable insights and make significant contributions to our partnership.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Coding Lesson
    ggplot2
    Politics
    Research Methods
    Political Science
    Research & Strategy
    Research & Development
    Statistical Computing
    Data Analytics & Visualization Software
    Microsoft Excel
    Statistical Analysis
    R
    Data Analysis
  • $40 hourly
    I am a computational neuroscientist experienced in the analysis of time series data. If you're aiming to transform data into a reduced representation highlighting specific aspects or features of the data for further analysis, I am happy to help. * Passionate about applying machine learning and statistics to data * Expertise in data acquisition, data analysis and software development * Extensive experience in collaboration across multiple labs
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    LaTeX
    Git
    Dimensionality Reduction
    Bayesian Statistics
    Pattern Recognition
    SQL
    TensorFlow
    PyTorch
    Python Scikit-Learn
    Python
    Time Series Analysis
    Filters
    Machine Learning Model
    Machine Learning
  • $60 hourly
    - I've handled data analysis for Adidas, established accurate reporting for a Biotech company in the midst of being acquired, and currently handle data analysis for a venture backed $1B unicorn called Newsela. - I'm highly proficient and skilled in Microsoft Excel & Google Sheets. - I'm highly skilled in data visualization and data analysis. - I've handled reporting and analytics in retail/biotech/SaaS industries, giving me strong business analysis skills. - I'm great at taking complex data and making it easy to understand and interpret. - I'm self-sufficient and can handle projects from start to finish with ease. - I have a knack for making complicated spreadsheets easy to use and share. - I understand how to interpret data and where to look when solving complicated problems.
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    ETL
    Microsoft Excel PowerPivot
    Graphic Design
    Adobe Photoshop
    Data Analysis
    Data Mining
    Excel Formula
    Data Profiling
    Data Entry
    Looker
    SQL
    Looker Studio
    Tableau
    Data Visualization
    Google Sheets
    Microsoft Excel
  • $22 hourly
    I am a proficient data analyst, dedicated to transforming data into actionable insights. My expertise lies in data analysis, statistical modeling, and data visualization, enabling me to tackle challenges and provide insights for business expansion. My nine years of work experience spans diverse industries, including healthcare, telemedicine, marketing, product demonstration, and skincare. I manipulate and analyze extensive datasets, and I excel at conveying findings in a clear and persuasive manner. 📊 Tableau 📊 Power BI 📊 Excel I am a self-motivated individual who thrives on independent work. I continually seek fresh challenges to enhance my skills and offer clients exceptional value. If you're in need of a dedicated data analyst committed to growth and delivering results, I'm the ideal fit for your project!
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Data Visualization
    Data Transformation
    Data Analysis
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