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R Job Cost Overview

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

Upwork R Jobs Completed Quarterly

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

54

Time to Complete Upwork R Jobs

Time needed to complete a R project on Upwork.

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. Susana Ramallo

    Susana Ramallo

    Ruby on Rails Developer, Data Mining and Magic/UniPaas expert

    Mexico - Tests: 4

    With over 20 years of experience building GUI and Web applications using SQL Databases (MS SQL, Mysql, Postgres, Pervasive, Oracle) my goal is to help you realize your world-class project. Also I have a master on Data Mining and knowledge discovery and experience on: * Microsoft Analysis Services * Data Warehouse * R * Predictive Analytics tools * Scientific Data systems I started working on Ruby on Rails 12 months ago. Last my timezone is CST. Im located in Mexico and I have a B1 US visa so I could visit the team locally.

    $22.22 /hr
    0 hours
    0.00
  2. Jorge Vazquez

    Jorge Vazquez

    Data Analyst\Programmer

    Spain

    Professional with over four years' experience in IT consultancy. Last projects are related to database administration with PostgreSQL and PHP, and data analysis/graphical representations in Excel (and VBA) and R software

    $23.33 /hr
    180 hours
    0.00
  3. Kelly Black

    Kelly Black

    Consultant

    United States - Tests: 2

    I have a wide variety of skills and experiences. My speciality is in programming with an emphasis on c++, python, and R. I am also fluent in matlab.

    $20.56 /hr
    869 hours
    0.00
  4. Andrey Ogurtsov

    Andrey Ogurtsov

    Biostatistician / R programmer

    Ukraine - Tests: 1

    Biostatistician with 3 years of experience. Favourite programming tools - R and SPSS. Performed works: • definitions of primary and secondary variables; • sample size calculations; • writing statistical analysis plans for phase I-IV and bioequivalence trials; • performing statistical analysis and writing statistical reports; • creating CRF; • data input and verification; • developing correspondent SOPs. STATISTICAL AND MACHINE LEARNING SKILLS: • classical methods of analysis; • general and generalized linear models; • non-linear modeling (splines, GAMs); • tree-based methods (bagging, random forests, boosting); • dimension reduction (PCA); • clustering (hierarchical, K-means); • cross-validation; • bootstrap; • multiple comparisons adjustments. PROGRAMMING SKILLS: • using R functions for wide range of statistical methods; • writing new R functions to implement desired functionality; • data wrangling with basic R functions and packages like reshape2; • data visualization (basic graphs and ggplot2); • automated report generation and reproducible research (knitr with R Markdown or LaTeX); • interactive presentations with shiny, rpanel and googleVis; • SPSS (both GUI and syntax); • SQL (basic knowledge).

    $10.00 /hr
    0 hours
    5.00
  5. Arul R.

    Arul R.

    VBA / Excel Guru

    India - Tests: 16

    Microsoft Office VBA Expert. Develop event based multipage UserForms with class objects, Array formulas, Regular expressions(amazing for matching almost all pattern matching requirements and text mining with Excel). Developing Executive summary dynamic dashboards. Ranked in top 1% of all Odesk Excel freelancers. skype me arul.rajesh for instant queries.

    $30.00 /hr
    12 hours
    5.00
  6. Thomas Kuilman

    Thomas Kuilman

    R developer

    Netherlands - Tests: 1

    I have developed excellent R skills over the past year in my professional career, where I have written an R package for scientific use (see below for link to GitHub page). I am new to developing for clients, but regard this an exciting opportunity to apply my R programming skills in a professional environment. In addition to programming in R, I also have some experience in programming in Python, Javascript, HTML and CSS. I have excellent communication skills, I am eager to learn and looking forward to this opportunity.

    $12.00 /hr
    0 hours
    0.00
  7. David Stephens

    David Stephens

    Data Analyst

    United Kingdom - Tests: 2

    Hello, I am a Data Analyst with 5+ years professional experience with a background in scientific research including publishing peer-reviewed papers. I have BSc (1st class honours) in Geographical Information Systems and Science. I am most interested in contracts that would take advantage of my R skills for data analysis and visualisation. Including: geospatial analysis, statistical modelling, data mining or building shiny data apps. A summary of my skills and experience: - Diverse types of research including geospatial analysis, statistical modelling, image analysis, GIS. - Daily use of R with experience of packages such as: dplyr, ggplot2, caret, sp, rgdal, gstat. - Developing interactive data tools using R’s ‘Shiny’ framework - Also have experience scripting in Python and SQL Statisitcs: - Linear regression, principal component analysis, t-tests. - Machine learning algorithms (random forest, neural networks) - Cluster Analysis (unsupervised classification) - Non-parametric significance testing (monte-carlo simulations) - Geo-statistical Interpolation (kriging) Other: - Image Analysis: Object-based image segmentation - Textural analysis for pattern recognition - Working with PostgreSQL/postGIS databases - Software: ESRI ArcGIS; Erdas Image; GRASS; QGIS; eCognition; SPSS.

    $35.00 /hr
    0 hours
    0.00
  8. Heather Turner

    Heather Turner

    Statistical Consultant/R Programmer

    United Kingdom - Tests: 1 - Portfolio: 10

    Motivated and reliable PhD-qualified statistician with internationally recognised expertise in R programming. Over ten years experience providing statistical and programming support to investigators in statistics, social science, drug discovery, bioinformatics and agriculture. www.linkedin.com/pub/heather-turner/38/a0a/313/

    $100.00 /hr
    16 hours
    3.80