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Data analysis is the process by which analysts clean, transform and model data to make information useful to a particular industry. Advanced analysts often use mathematics, pattern recognition software and statistical algorithms to extract actionable knowledge from raw data. On Upwork, the world’s largest online workplace, data analysts process data for small businesses, enterprises and professionals.

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On average, 371 Data Analytics projects are completed every quarter on Upwork.


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Data Analytics Upwork freelancers typically receive a client rating of 4.76.

Last updated: October 1, 2015
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Kevin Vogelsang

Kevin Vogelsang

Challenge Hunter (Technology + Human Behavior + Data)

United States

***If you know exactly what needs to be done and don't think there's room for improvement on how it's going to be done, or if you consider the project to be easy or not particularly important, do not contact me or bother reading any further.*** I'm looking for interesting challenges that involve humans, computers, and data to test my understanding. I'm currently most interested in data visualization projects and higher level "systems analysis" projects. But, I'm always interested in problems where someone's well-being is affected. (if necessary, My Rate = Base Rate / (interesting-ness * importance)) Since graduating from MIT Engineering in 2009, I have been working a stream of challenging projects: founding startups, building web applications, marketing technical services, and on and on. Overall, I like to focus on answering the question, "how can we design better Systems to get what we want?" And in thinking about this I've amassed a lot of useful skills and knowledge in both software and just understanding how the world works (and doesn't work.) The more uncertainty you have on what needs to be done, the more help I'll be able to be. I'm very likely the most creative guy you'll ever meet, and what I like to do for fun is think and work on challenging problems.

$111.11 /hr
0 hours

Milan G.

Business Analysts, Excel Expert

Bosnia and Herzegovina - Tests: 1 - Portfolio: 3

With almost a decade of experience in Excel reporting and analysis I really enjoy working with data. For the last four years I have been extensively using Excel PowerPivot for financial reporting purposes. My current fields of interest are data modeling, statistics and dashboard design.

$37.77 /hr
12 hours

Pronojit S.

Pronojit S.

Data Analytics / Web Scraping


I have been involved in the field of web scraping & data analytics for the past 4 years during which I have undertaken many challenging and intriguing projects. I am a graduate from the prestigious institute of IIT in India, which is know for its technical rigour and world class pedagogy. Web scraping is one of my main fortes. I am well versed with python and its libraries for data scraping (like scrapy, beautifulsoup, lxml, selenium) and also an expert in - Recently I built a bot which would take login id and password for an online portal and then download specific data fields from various pages of that portal. - Further I built crawlers to scrap websites like and others in its domain, wherein the data of all the years was scrapped, formatted, geocoded through smartystreets and then saved in a csv file. - I have also scrapped multi-level websites like to get the best in-category winners for various sections and saved the result in a mongoDB database. My TECHNICAL SKILL-SET includes the following. * Web scrapping/ web crawling * Data munging/processing * Descriptive & Inferential Statistics * Correlation analysis and Association rule * Regression analysis- Linear, Multiple, logistic * Principal Component /Factor analysis * Cluster analysis and Discriminant analysis * Cross Validation & Bootstrap * Linear Model Selection & regularization * Tree based methods & SVMs * Boosting algorithms (particularly XGBOOST) * Online learning tools (Vowpal Wabbit, FTRL) TOOLS knows: - Python (pandas, numpy, scipy, scikit-learn, nltk, statsmodel, matplotlib, ggplot, requests, urllib2, pypy, beautifulsoup, scrappy, etc) - R (glmnet, randomforests, rpart, rocr, caret, tm, catools, texttools, wordcloud, ggplot2, regular expressions, etc) - SQL (mySQL, postgreSQL) - Unix - Tableau - AWS Few of my important data analytics PROJECTS are highlighted below: • Build a model to classify wealth management customer portfolio of a bank for better targeted marketing using ensemble of gradient boosting algorithm (XGBOOST) and FTRL-Proximal online learning algorithm • Predicted the loan disbursal probability of retail customers of a bank using GRADIENT BOOSTING ALGORITHM (XGBOOST). • Build a learning model using an online learning tool called VOWPAL WABBIT to predict the click through rate of mobile ads. Handled a data set of 40 million rows (~1 GB). • Forecasted bike rental demand using ensemble model of GRADIENT BOOSTING regressors and RANDOM FORESTS. • Analyzed what aspects and characteristics of people's lives contribute to their happiness by using RIDGE regression, based on data collected form an online poll. • Investigated the role of wild birds in the spread of avian influenza in poultry by applying CLUSTER ANALYSIS, STOCHASTIC AND LOGISTIC REGRESSION MODELS

$30.00 /hr
96 hours

Rachel Factor

Rachel Factor

Experienced Data Analyst - Excel, Google Analytics, Omniture

United States - Tests: 5

I have 5 years of website analytics experience including Google Analytics and Omniture SiteCatalyst expertise in implementation, tag management, and data management. I've worked with a variety of tools over the years and am always open to learning more! I've worked on major corporate sites including,,,, and to help with tracking, tagging, collecting and analyzing data. I am also a Microsoft Excel expert with 9 years experience. I can help you with data management and visualization, or even give Excel tutorials. I have a background in eCommerce and Search Engine Marketing as well. I can help you with your overall web marketing, traffic and site strategy. Let's discuss your needs and the scope of your project. Hope to hear from you soon!

$44.44 /hr
0 hours

Jeffery Sarenpa

Jeffery Sarenpa

Web Application Engineer and Data Analytics Expert

United States - Tests: 2 - Portfolio: 2

I am a self-taught, backend web developer with extensive knowledge of Javascript, PHP, and SQL. I have also developed and maintained scalable, cloud-based web applications utilizing many facets of Amazon Web Services (S3, EC2, RDS, Load Balancing, etc). In addition to my web development skills, I am also extremely proficient at accounting and business data analysis using Microsoft Excel, SQL, and data visualization tools.

$20.00 /hr
0 hours

Imee Chellevold

Imee Chellevold Agency Contractor

Web Analytics | Data Analysis, Manipulation and Interpretation

United States - Tests: 1 - Portfolio: 2

I help small businesses become more resilient by adopting, adapting and improving Fortune 1000 best practices. I am passionate about entrepreneurship. I believe that it brings the best out of a person and enables that person to make an impact in the community. Specifically, I help entrepreneurs who own websites to maximize their web marketing investment ROI. I offer best value Google Analytics reports which contain the most important insights about the website data. I analyze the thousands of rows of data, finding outliers, patterns, and correlations. Then, I write a report that not only has charts, but detailed text-based analysis explaining website and AdWords performance. I look at overall trends of engagement and conversions, specific things in each marketing channel, and provide recommendations for improvement. Depending on the data you have, you can expect a report from 3 to 7 pages. For just USD60/month, you get your professionally-analyzed, customized website-specific Google Analytics text-based insight: -weekly reports (view sample) -monthly reports (view sample) Key Skills: I have been involved with data analysis and interpretation for 15 years in the university as a physicist/academic researcher, and in the multinational technology B2B environment as engineer in product and quality groups. Some of my analytical work have been published in international peer reviewed journals such as Applied Optics and IEEE. I learned web development on the side, with a variety of experience ranging from import-export agricultural startup in 2011 to mindfulness mock phone app startup (winner of SeedSpot Social Enterpreneurship Incubator Scholarship at Startup Weekend EDU Phoenix) in 2014. Key Strengths: (Gallup) Learning, Achiever, Futuristic, Responsibility, Activator (Myers Briggs) ENTJ

Associated with: Ms. Cellaneous Goods, LLC

$30.00 /hr
0 hours

Ruslan Gibaiev

Ruslan Gibaiev

Python developer, Data analyst, fluent English

Ukraine - Tests: 2

5 years of IT experience: - Python back-end development - Data analysis & machine learning - Big data and distributed data processing - Software development: Python, C#, C++, SQL, desktop & client-server applications - Project management - Sales & Account management - Business analysis, requirements specification, and software testing Strong data analysis skills. Experience in Economics & Finance. Fluency in English - translations, proof-reading, writing. Expert in GMAT test. Strong analytical skills - algorithmization, optimization, problem solving.

$22.22 /hr
0 hours

Kari Hirvi

Kari Hirvi

C++/Qt/Matlab/Python developer with scientific background

Finland - Tests: 5

I have years of experience with Matlab and I'm very productive with it, whether it's algorithm development, visualizing data or creating GUIs, for example. I'm also well versed in Python and I can provide a working software version quickly with rapid iterations with feedback from the client. I have also professional experience with C++, C# and Java, and I can bundle them into the project as needed. I have a PhD in physics and I've been working in different positions ranging from project manager and developer to customer service and helping sales. I can translate your problem into working code, and, if needed, refine the project requirements based on your business case. Below are few examples where you could gain tangible benefits from my experience - Matlab development of all kind, e.g., algorithms, GUIs, full applications - Data conversion and processing from one or multiple sources - Implementing algorithms based on scientific publications - Converting algorithms from another language to C++,C#,Java, Python or Matlab - Data analysis and visualization - Requirement analysis & management, e.g., reading texts and extracting measurable requirements from them with traceability to the source - Measure requirements quality by classifying them, e.g, is there an acceptance criteria, is this a system or user requirement, does the requirement have multiple requirements in it. - Creating and writing acceptance testing procedures with traceability to the project requirements I can work on both Windows and Linux platforms. Looking forward to working with you! Kari References: - LinkedIn: - My programming blog: - GitHub:

$60.00 /hr
0 hours

Zoran Eremija

Zoran Eremija

Data Thinker

Serbia - Portfolio: 4

Dynamic thinker, expressing multi level data logic with ability to create diagrams, constructs and data models Proven experience in finding solutions and implementing enterprise scale of highly volumed and highly applicable database systems. Experience with DFD, IDEF0, IDEF1X & UML Methodology. Experience in Business Process Analyses using CASE-tools CA BPwin / Process Modeller (from 1993). Experience in Designing and modelling logical and physical data models, using CASE-tools CA ERwin Data Modeller (from 1993). Exceptional skills for data design and management, using OLAP, ETL, BI, Data Warehouses and Data mining of Microsoft Access, Microsoft SQL Server (6.5, 2000, 2005, 2008 R2, 2012) and various database systems with sound knowledge of meta data and semantics. Experience in software development, delivering model driven approach to database design. Extensive experience in planning and project managing, using Microsoft Project. Many years of experience in education in the field of information systems, mostly for business analysis, using the IDEF0 methodology and CASE-tools CA BPwin / Process Modeller, Strong knowledge of database modelling, using IDEF1X methodologies and CASE-tools CA ERwin Data Modeller (from 1993). Sound understanding of database profiling and performances Significant experience of database modelling from design through to implementation. Exceptional communication skills with the ability to convey and debate complex technical ideas to both IT and non-IT audience.

$40.00 /hr
0 hours