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Typical total cost of Upwork R projects based on completed and fixed-price jobs.

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On average, 54 R projects are completed every quarter on Upwork.

54

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Average R Freelancer Feedback Score

R Upwork freelancers typically receive a client rating of 4.78.

4.78
Last updated: September 1, 2015
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  1. Ondrej Vostal

    Ondrej Vostal

    R, Mathematics, Perl, Linux

    Czech Republic

    I study stochastic analysis on a top university on Prague. Data science is my passion which drives me to excel in everything that concerns it. I was lucky enough to be able to spend six months as an intern in adidas Group HQ on a marketing excellence position where I could learn how things are really done in the industry. I like challenges and always finish my job in time. I always write complete and concise documentation.

    $23.00 /hr
    0 hours
    5.00
  2. Marcel C.

    Marcel C.

    Finance, Excel, and R Programming

    Canada - Tests: 1

    Corporate finance professional with a wide range of skills and experience. Experienced in accounting, budgeting, pro-forma income statements creation, financing, strategy development, and inventory management. My current interest / hobby projects are with respect to data science and automation with the R Project for Statistical Computing. Latest projects completed are the following: - Inventory forecasting model; - Inventory purchasing algorithm; - Backtesting algorithms for forex, equities and futures trading.

    $31.67 /hr
    3 hours
    5.00
  3. Guangming L.

    Guangming L.

    Data Scientist and R Expert

    United States - Tests: 7 - Portfolio: 5

    I'm a data scientist and expert R programmer with 7 years of experience. I specialize in solving mission critical business problems using advanced data analysis, machine learning and web technologies. I'm known for quick turn-around and excellence amongst my clients. I live in Ann Arbor, Michigan, USA (time zone: EST). I'm passionate about finding insights from data and making beautiful data products. In particular, I'm very competent at 1. data scraping 2. data wrangling 3. descriptive & exploratory analysis 4. data visualization 5. inferential & predictive analysis 6. pattern recognition and clustering 7. supervised & unsupervised machine learning algorithms 8. building analytic web apps 9. the R programming language Some of my recent for-fun projects include a couple of analytic web apps and a book on how to do data analysis using R. They are listed under the portfolio section below. Make sure you check them out. I also love to teach people how to use R to do data analysis, and I do that through MasterR.org, an online community where you can receive high quality training materials for FREE. I used to work for FICO, where I built scorecards for the Picture People to predict customer response rates to their marketing campaigns. My scorecards doubled their ROI. I also built customer segmentations for Canadian Tire Bank. It gave the executive team a holistic view of their customers for the first time. I have a master's degree in Biostatistics from the University of Michigan and a bachelor's degree in mathematics from the New College of Florida. I'm an avid MOOC taker, constantly learning new things in the field. I took all the courses in data science, statistics, data mining and machine learning from Coursera, Udacity, Edx, and Khan Academy. I have strong work ethics and respond to all my messages in less than 12 hours. Contact me if you need help with analyzing data. Have a great day! -Guangming

    $100.00 /hr
    611 hours
    4.97
  4. Tom L.

    Tom L.

    Data scientist, Python, R Programmer

    Canada - Tests: 9 - Portfolio: 2

    Over the last 12 years, I worked as research assistant/associate in data analysis. I developed algorithms in processing and performing statistical analysis using R, Perl, Java. I am proficient in various Microsoft Office Applications especially MS Excel, MS Word, and MS Powerpoint. I have strong oral and written communication skills. I am a strong self-starter and able to work well independently. I am hardworking and can work effectively as fast as I can.

    $37.00 /hr
    33 hours
    5.00
  5. Pavel Logacev

    Pavel Logacev

    Data Science | Statistics | R Programming

    Germany - Tests: 4 - Portfolio: 3

    I have a PhD in Cognitive Science and a MSc in Computational Linguistics, as well as several years of experience in statistical data analysis and software development in R. I have developed software in pure R as well as in C/C++/Rcpp, with a focus on the implementation of machine learning algorithms and statistical techniques. I enjoy understanding all kinds of data, as well as helping others understand it and convert it into actionable intelligence. I am particularly interested in churn analysis and statistical consulting regarding usability studies or A/B testing in advertisement and e-commerce. I have experience in analyzing and reporting on data from sectors as diverse as psychology, education, health, finance, SEO and E-commerce. Most recently, I have analyzed online user behavior for www.immobilienscout24.de, and created a Bayesian model of conversion and profitability to manage campaigns on Google Adwords. I specialize in churn analysis and survival random forests, but I can help you with anything from simple ANOVAs or linear mixed effects models in lme4 to Bayesian methods in RStan. Take a look at my code on my github profile: http://github.com/plogacev

    $45.00 /hr
    513 hours
    4.93
  6. Luke Green

    Luke Green Agency Contractor

    R-Programming and Statistics Consultant

    United States - Tests: 9 - Portfolio: 4

    I am an honors double major in Mathematics and Applied Math/Statistics at Stony Brook University and founder of Vivaldi Analytics, a small data analysis startup based on Long Island. I have a large amount of experience with R - specifically machine learning algorithms, data visualization (using ggplot2 primarily), and data cleaning. I've been working as a statistics consultant both independently, and for my company for the past year. I've completed work for a variety of individuals and companies, such as the Faculty-Student Association at Stony Brook and StatSocial ( http://www.statsocial.com/ ). I also have experience creating data analysis applications using R Shiny. For some examples of my past projects, please see: http://www.vivaldianalytics.com/r-shiny-1.html You can also try out a free version of Violin, one of my company's survey analysis products here: https://vivaldianalytics.shinyapps.io/Violin/ If you have any questions about my services, please contact me on Skype at luke.green853.

    Associated with: Vivaldi Analytics Inc.

    $55.00 /hr
    12 hours
    5.00
  7. Tetyana Sopronyuk

    Tetyana Sopronyuk

    VBA/R/C/C++ Programmer

    Ukraine - Tests: 3 - Portfolio: 1

    R, C/C++, Good knowledge of mathematics. Passed 7 courses of Data science specialization at Coursera (Data Science Tools, R programming, Getting and cleaning data, Exploratory data analysis, Reproducible research, Statistical inference, Regression models). Last two courses - Machine learning and Developing data products - would be finished by the end of August. Passed course of Beginning Game Programming with C# at Coursera. Conduct lectures and laboratory classes with students in such courses: - Object-oriented programming in C++; - Automata theory and formal languages; - VBA and VB .NET; - Mathematical modeling of systems with impulse influence.

    $11.11 /hr
    0 hours
    0.00
  8. Ahsan shafiq C.

    Ahsan shafiq C.

    Top Game Developer / Data Scientist & R Developer

    Pakistan - Tests: 2 - Portfolio: 5

    I have 5+ years of experience in Software Development and Design in various leading technologies. I have worked for International Customers and helped them growing their business and expanding the profitability. Over the last 5 years, I have developed a wide range Mobile applications, which include iPhone/iPad/Android/J2ME. I have developed both games and eCommerce applications for iPad/iPhone. I have Masters Computer Science with focus on Data Mining and Machine Learning. I have been doing statistical data analysis in R for 2+ years now and have experience working with a variety of single/multiple regression, multi class classification and clustering techniques. I have been involved in development of: - Ruby on Rails - iPhone/Android Native Applications for the Enterprise - iPhone/Android Games Specialties: iPhone SDK / Android / J2ME / Symbian / BREW / BlackBerry Cocos2d / Cocos2d-x / Unity3D / OpenGL ES / Quartz 2D Box2d / Chipmunk Ruby on Rails (ROR) C / C++ / Objective-C / Cocoa Framework / C#

    Groups: Application Developers Alliance

    $30.00 /hr
    3,524 hours
    4.83
  9. waldemar kwasniewski

    R Programmer, data science, data mining

    Poland

    I am an experienced R programmer and data analyst, ready to use my knowledge, practice and interest in data science to find a quick, reliable and clever way to perform any task you have to be done. I can help you to extract actionable knowledge form your data, find dependencies, build predictive models, translate your concepts into formulas, and your ideas into algorithms. My main fields of expertise are: • data mining and cleansing - fluent in extracting useful data using fast and flexible tools; • market analysis, statistical computing - finding patterns in data to gain interesting insight, based on solid statistical knowledge and visualised in an approachable way. I strive for excellence in each aspect of the project, guaranteeing maximum focus on detail, providing a solution tailored to the customer's expectations and top-class communi I am looking for projects in mathematics, machine learning, signal processing

    $22.99 /hr
    0 hours
    5.00