Here are 11 free NPTEL data science and analytics courses from leading IITs cover graph theory, Bayesian modelling, Python, R, databases and big-data stats. These are all free to audit, and enrolment ...

See how to join two data sets by one or more common columns using base R’s merge function, dplyr join functions, and the speedy data.table package. R has a number of quick, elegant ways to join data ...

R has some excellent mapping options. There is the leaflet R package, which I use when I want to do a lot of customization. There is tmap, which I like for its nice balance between power and ease of ...