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

Upwork R Jobs Completed Quarterly

On average, 58 R projects are completed every quarter on Upwork.

58

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Time needed to complete a R project on Upwork.

Average R Freelancer Feedback Score

R Upwork freelancers typically receive a client rating of 4.77.

4.77
Last updated: August 1, 2015
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  1. Andrey Ogurtsov

    Andrey Ogurtsov

    Biostatistician / R programmer

    Ukraine - Last active: 4 days ago - 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
  2. Arul R.

    Arul R.

    VBA / Excel Guru

    India - Last active: 21 days ago - 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
  3. Fangping M.

    Machine Learning, Data mining, R scripting

    United States - Last active: 4 months ago - Tests: 2

    Good knowledge and experience in Statistical Modeling, Machine learning/Data Mining • ANOVA, Generalized Linear Models, False Discovery Rate Control • Supervised: Linear Regression, Logistic Regression, Support Vector Machine, Random Forests • Unsupervised: Clustering, Principal Component Analysis, Abnormal Detection Familiar with R markdown.

    $30.00 /hr
    13 hours
    5.00
  4. Evan P.

    Evan P.

    Solving Your Business Data Challenges With Python

    Ireland - Last active: 2 days ago

    Business Intelligence | Data Transformation | Web Scraping | Much more - Proven ability to deliver, on time and on-budget. - Many years of managing remote-working relationships and leveraging technology (e.g. Skype, IM etc.) to make things go smoothly. - Adept at using Python to solve all types of business data challenges. - Native English; exceptional written and verbal communication skills. - Available to work on your project - and communicate - during US business hours. - Full resume / CV available on request. Trust can be a concern on UpWork - check out my LinkedIn profile (and recommendations) here: http://bit.ly/EvanPLinkedIn

    $16.90 /hr
    0 hours
    4.92
  5. Danny Martinez

    Danny Martinez

    IT Consultant

    Colombia - Last active: 12/23/2013 - 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. Jeffrey S.

    Jeffrey S.

    Data Scientist, Project Manager and Labview Developer

    United States - Last active: 6 months ago - 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
  7. Aaron M.

    Aaron M.

    Data Scientist:Machine Learning, Statistics, R, Python, Java, VB/Excel

    United States - Last active: 1 month ago - Tests: 5 - Portfolio: 1

    I work with clients on defining, implementing and managing data analysis and data management projects. My expertise lies at the intersection of Statistics, Computer Science and Business acumen. Specific areas of interest to me are education, healthcare, finance, real estate, and energy. Analysis: R (statistics), Python (data munging), Java+Scala (machine learning / big data), VB.NET/Excel (financial modelling) ** Apache Hadoop, Hive, Spark with MLlib (big data ecosystem) ** MongoDB, Neo4j (NoSQL) + MySQL, Monetdb (SQL) ** Gephi (networks/social graph processing) ** Weka (machine learning) Visualization: Tableau (rapid dashboarding), Shiny (R package for interactive statistical dashboards) Environments: Linux, Windows, and Mac (least experience) Productivity: Git (source code control) Web Applications: Play 2 Framework (modern Java/Scala-based, reactive websites) I believe the key qualification to be a Data Science practitioner is an analytic and curious mindset. That said, many hiring decisions seem to hinge on specific skills. Let me know if there's a tool or technology you don't see on my list, and I'll let you know if I've worked with it before.

    $200.00 /hr
    958 hours
    4.99
  8. Stephane Goldstein

    Stephane Goldstein

    GIS Analyst

    Portugal - Last active: 30 days ago - Tests: 1

    Besides the main common GIS tasks, like cartography, remote sensing, generalization and map design, I'm qualified in spatial analysis and geostatistics allowing to make sense of spatial data. I write Python, Matlab and R scripts in order to automate your most commons GIS workflows. Exeperienced with most common proprietary software like ArcGIS, PCI Geomatica and IDRISI, as well as open source tools, including QGIS, GRASS, PostGIS and SPRING.

    $25.00 /hr
    136 hours
    4.95