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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. 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
  2. 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
  3. 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
  4. Vinay Sawant

    Vinay Sawant

    BigData Hadoop Developer/Analyst/Data Scientist

    India - Tests: 1

    • BigData Hadoop Certified • Certifcation of HBase by IBM from BigDataUniversity. • Certifcation of Data Analysis using R from BigDataUniversity. • IBM Pig Certified from BigDataUniversity • IBM Hive Certified from BigDataUniversity • JAQL Certified by IBM from BigDataUniversity. • Knowledge in Big Data Hadoop and its components like HDFS, Map Reduce, Apache Pig,Hive, Sqoop, and HBase,Phoenix. • Knowledge of Setting up Hadoop Cluster (Single and Multi Node in Ubuntu) • Knowledge of installing writing the Pig scripts to reduce the job execution time • Currently pursuing Certification course of Data Science from Coursera • Currently pursuing Certification course of Machine Learning from Coursera by AndrewNG • Currently pursuing Certification course 15.071X, THE ANALYTICS EDGE- Analytics! • Currently pursuing Certification course of Practical Machine learning from Coursera

    $13.33 /hr
    32 hours
    3.93
  5. Danny Martinez

    Danny Martinez

    IT Consultant

    Colombia - Tests: 3

    Systems engineer and M.Sc. in Industrial Engineering with experience in IT development and management, as well as knowledge in project management, optimization, forecasting methods, system dynamics, supply chain, programming languages, software frameworks, databases, information systems, artificial intelligence, and user interface design by applying the concepts of human-computer interaction. Organized, proactive, dynamic and creative person, with an excellent teamwork capacity.

    $33.33 /hr
    365 hours
    5.00
  6. Tim Van Boxtel

    Tim Van Boxtel

    Engineer

    Canada - Tests: 7

    A skilled technophile with experience in many aspects of hardware and software. Sotware: Web Application Development utilizing Flask and Django REST Based API Skilled Python developer Website Development - PHP, HTML5, CSS3, Javascript, jQuery Database Query, SQL, Cypher, Hardware: Electronic Circuit Design. Schematic - PCB I take great care in the quality of my work and forward my rigour and passion onwards

    $61.11 /hr
    414 hours
    5.00
  7. Jeffrey S.

    Jeffrey S.

    Data Scientist, Project Manager and Labview Developer

    United States - Tests: 3

    I have deep experience working with large data sets to solve complex problems. My background includes working in the areas of Bayesian statistical analysis as well as predictive analytics, business intelligence, data modeling and forecasting. I have worked used my skills in a variety of industries such as energy, manufacturing, finance and aerospace. I also have more than a decade of development experience, primarily with National Instruments Labview, as well as many years of project management experience and my PMP certification.

    $67.00 /hr
    9 hours
    5.00
  8. Ismail Qamar

    Ismail Qamar

    Software developers; Android, iOS and Web

    Pakistan - Portfolio: 2

    At DroidCube, we provide services in Android and iOS application development. Functional projects currently on the Play Store range from privacy solutions to sports trackers. We offer economical and efficient web solutions and development, upto optimized Ajax frameworks.. We also offer data science and machine learning methods for integration.

    $20.00 /hr
    0 hours
    5.00