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 ...

The table below shows my favorite go-to R packages for data import, wrangling, visualization and analysis — plus a few miscellaneous tasks tossed in. The package names in the table are clickable if ...

Although you can type commands directly into the R console (bottom-left pane in RStudio), you are better off creating a script file, which can be saved for future use. You execute the lines in the ...

A few years ago, I was the CTO and cofounder of a startup in the medical practice management software space. One of the problems we were trying to solve was how medical office visit schedules can ...

"In this part we will not cover all scenarios of implementation of indexing in DataFrames.jl, but rather I will focus on scenarios that are non-obvious (at least for me)." "In general to provide ...