Categories / subset
Selecting and Filtering on the Same Variables in dplyr
Subsetting in XTS using a Parameterized Range of Dates: A Powerful Tool for Time Series Analysis
Logical Subset from Matrix Based on Multiple Columns with No Names
Subsetting Rows for Selecting on More Than One Value Using Droplevels in R
Calculate Seasonal Variations Using lubridate and R: A Step-by-Step Guide
Creating a Custom ftable Function in R: A Step-by-Step Guide