Use compare~Groups to explore and summarise your epidemiological data in R

compare~Groups is an R package designed to read, interpret, summarise, display and analyse epidemiological data. 

compare~Groups allows you to create everything from data summaries for quality control to extensive reports for exploring your data with colleagues, and even publication-ready tables and figures (see this example).

About Us

 is developed and maintained by Isaac Subirana, Hector Sanz, Joan Vila and collaborators at the cardiovascular epidemiology research unit (URLEC), located at Barcelona Biomedical Research Park.

As the driving force behind the REGICOR study, URLEC has extensive experience in statistical epidemiology, and is a national reference centre for research into cardiovascular diseases and their risk factors.

Get compare~Groups

Download the latest version of compare~Groups from CRAN.

Or get it from Github repository by typing:


Manual Consult the details of each of the functions contained in the package.

Vignette Need a little help getting started? This vignette contains several fully worked practical examples, including new functionality from the latest version.


Version 2 now available!
'radiograph' your database

    Quickly get an extensive report of your
    data's quality to facilitate error checking

+ more detailed reporting
    Get a more extensive report on each of your
    variables, including extended metrics and figures

+ object retrieval
     Easily retrieve summary data as R-objects

+ genetic data
    Finally, compare~Groups now interprets,
    summarises, and analyses genetic data!

WUI now live!
web user interface
    Not an R-user? Want to impress your colleagues      by analysing their data from your smartphone or        tablet? Our new web-based interface gives you        the power of compare~Groups without the                technical hurdles! 

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Isaac Subirana,
Jan 29, 2018, 12:24 AM