Term Archives

  1. This tutorial introduces how to easily compute statistcal summaries in R using the dplyr package. You will learn, how to compute summary statistics for ungrouped data, as well as, for data that are grouped by one or multiple variables.
  2. This tutorial describes how to subset or extract data frame rows based on certain criteria. Additionally, we'll describe how to subset a random number or fraction of rows. You will also learn how to remove rows with missing values in a given column.