R Freelancers

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R oDesk freelancers typically receive a client rating of 4.79.

Last updated: April 1, 2015
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Benjamin V.

Benjamin V.

NinjaTrader, TT, APIs, FIX, R, TradeLink

Spain - Last active: less than one minute ago

I am an expert quant developer (C#, and R), with a solid background in software development, trading, physics, mathematics, engineering and research. I am experienced coding for traders and quants, and familiar with the mechanisms and workings of securities markets, exchanges and market data (both time & sales and full order book). I am experienced working with - and coding against - trading APIs and other common elements of the client/message server architectures typically seen in trading systems. I am an expert in systematic trading research, simulations, backtests, optimizations, and trading, and in the programming and use of R for statistical empirical finance work. I am the TickMaster ( http://tickmaster.webs.com ). I have degrees in Physics (MA, University of Oxford) and Petroleum Engineering (Imperial College, London). I am a new Elancer (as of September 2013), based in Madrid. My first language is English. I also speak fluent Spanish.

$75.00 /hr
772 hours
Filip Gutowski

Filip Gutowski

R Programmer / Web Scraping Expert

Poland - Last active: 4 days ago - Tests: 2

I am an experienced R programmer, web scraper 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. My main fields of expertise are: • web scraping and crawling - automatic harvesting data from sources of any kind, complexity and size; • 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 communication.

$15.00 /hr
98 hours
Robbie Weterings

Robbie Weterings

GIS, Spatial Analysis, Biostatistics, R programmin...

Netherlands - Last active: 15 days ago - Tests: 8 - Portfolio: 4

I am a conservation biologist/ecologist with a lot of experience in GIS, Remote Sensing and Statistics. I really enjoy spatial modelling especially when it concerns conservation issues like Climate Change, Biodiversity or Habitat Loss. I am the co-founder of a conservation organization named Cat Drop Foundation and I'm currently doing a PhD in natural resources and environment through the foundation and an external university.

$20.00 /hr
65 hours
Zlatomir Zlatev

Zlatomir Zlatev

Desktop Apps,Databases,Bioinformatics,Statistics,R...

Bulgaria - Last active: 5 days ago - Tests: 3 - Portfolio: 2

I have 14+ years of programming experience and a Master's degree in Bio- and Medical Informatics. I'm good at User Friendly GUIs, Data Reorganization, File Format Conversions (including text and binary data formats), Web Scrapping, Desktop Applications (Visual FoxPro, C# recently), Databases (a lot of experience), Bioinformatics, Statistical Analysis, R-project (including C code compiled for R to speed up some time consuming computations), SQL, Microsoft Office Excel Automation (VBA code sent from a desktop application to Excel to make it do things), Programs to Automatically fill Acrobat PDF Forms, Text Parsing, Mapple, C, C++, C#, Audio/Video formats conversion, Molecular Biology, Genetics and more. Keywords: Bioinformatics, Desktop Applications, Molecular Biology, Genetics, C, C++, C#, Mapple, PDF Forms, edgelist, edge list, Databases, database, Statistical Analysis, R-project, VBA, Automation, Medical Informatics, Algorithms, algorithm, File Convert, files conversion, Text Parsing, parse, user friendly graphical interface, GUI, Audio, Video, website scrap, scrapping, wordcloud, wordclouds, word cloud, word clouds, C#.

$19.96 /hr
151 hours
Aaron M.

Aaron M.

Data Scientist:Machine Learning, Statistics, R, Py...

United States - Last active: 25 days 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
947 hours
Bishwarup B.

Bishwarup B.

Statistician (with experience in R, SPSS, Stata)/...

India - Last active: 1 month ago - Tests: 6

Hello everyone, I am a subject matter expert in Statistics with M.Stat from Indian Statistical Institute. I had been working as the Lead Business Analyst and a Sr. Project Manager in a US based firm operating in the financial sector for last four and half years. In October, 2014 I quit the job to focus on full time freelancing. With more than 5 years of experience is Business Analysis, I have dealt deep into the aspects of: Requirement analysis, Solution analysis and Transition analysis Data warehousing and data mining using SQL, SSAS, OLAP, SSIS, SSRS Business Intelligence – dashboard and reporting Project management Management consultant Business plan writing Data science Quantitative analysis Predictive analysis Database development Data manipulation I provide service entailing any kind of Statistical Analysis and Mathematical modelling of data. I can perform: Regression Analysis – Linear, Multiple and categorical Correlation Analysis Time Series Analysis using Moving average, ARMA, ARIMA, smoothing, Seasonal decomposition and forecasting. Evaluation of Autocorrelation Function (ACF) and Partial Autocorrelation Function (PACF). Pattern recognition Data validation and cleansing I am fast and well-versed with Statistical packages like: R SAS SPSS Stata Minitab Microsoft Excel Microsoft Visio VBA My clients include from start-ups to established organizations. I understand the importance of delivering the expected result within specified time frame and most importantly in a constrained budget. As a freelancer, client satisfaction and meeting the deadlines is of utmost priority to me. Clients can contact me 24 x 7 anytime in my email, phone, Skype, Gtalk or any other VoIP. I am completely fine with working in flexible time schedule.

$40.00 /hr
56 hours
Md Akhtar Hossain

Md Akhtar Hossain

Statistical Analyst, R Programmer and Academic Wri...

United States - Last active: 12/28/2014 - Tests: 5 - Portfolio: 11

With my B.Sc. and M.S. in Statistics and with my 7 years’ experience in practical field of research and teaching, I’ve numerous experience of analyzing data and writing publication quality papers/thesis in various fields including technology, business, demography, psychology, medical science, social science, public health, economics etc. I’ve published several research articles in different journals and written several conference papers. Moreover, I've experience of supervising a number of undergraduate projects and graduate theses in different applied fields. These thesis works covered univariate to multivariate statistical analyses with statistical graphics. I have very strong theoretical and applied statistical knowledge with efficiency in statistical computing with different software such as SPSS, SAS, R, STATA, FORTRAN, MINITAB, EVIEWS, EXCEL etc. My core competency lies in conducting statistical analysis using different statistical softwares and writing academic thesis/articles for publication. I also have a very strong skill of independent programming in statistical programming languages. I am seeking opportunities to solve all your issues that requires statistics knowledge. I also have interest in teaching in the field of statistics.

$22.22 /hr
2,184 hours
Chekuri Swarochish

Chekuri Swarochish

Management Consulting;Business Analytics;Statistic...

India - Last active: 02/24/2014 - Tests: 3

Nearly 4 years of experience in business analysis, business research and client relationship management. Presently working as Analytics Manager with Capillary Technologies B.Tech (Hons.) in Instrumentation from IIT, Kharagpur Deft at Data Analysis using SAS, Excel with VBA. Experienced in market mix modeling, risk modeling, design of experiment, customer segmentation, cluster analysis, and various other statistical models towards the accomplishment of organizational goals. Skilled at articulation of complex project issues by improvement of workflows and project planning Key Result Areas: Identify the business problem of the client by interacting with the client. Critically evaluate the data provided and relevant information gathered from various sources, Resolve conflicts, missing values in the data. Through a relevant statistical analysis decompose the high-level information into details, abstract up from low-level information to a general understanding. Communicate the results of the analysis to the client, and thereby facilitate the client in making a well informed decision to resolve the business problem.

$22.22 /hr
493 hours
John Kemp

John Kemp

R programmer and VBA Expert

United States - Last active: 5 days ago - Tests: 2

I program in R just about every day for over 3 years. I stay current with the latest trends in new packages and always have the drive to learn more. You will find working with me that I communicate very well and that I provide a high quality output. I have also built many customized databases using Access and VBA for over 10 years. Thank you for your consideration! John Kemp

$33.33 /hr
73 hours
Vadim K.

Vadim K.

Data Scientist. ML, R, SAS, Python, ETL Developer.

Russia - Last active: 1 day ago - Tests: 8 - Portfolio: 11

I have 3+ years experience working with data. ETL Developer: SQL, SAS DI, Talend, Oracle DB, GreenPlum DB, PostgrSql, Hadoop, Hive, Pig. Data Scientist/Data Analyst: R, SAS, Python, Machine Learning, D3.js, Spark. I have 4+ years previous experience on developing web applications using PHP, JavaScript, AJAX. Databases: MySQL, Postgresql. Frameworks: JQuery, Code Igniter. CMS: MODx, Wordpress.

$20.00 /hr
674 hours