Subsetting in XTS using a Parameterized Range of Dates: A Powerful Tool for Time Series Analysis

Understanding the Issue with Subsetting R Data Frame Results in Mysterious NA Rows

Subsetting the First Row of Each Element in a Variable Using Dplyr

Subsetting Nominal Variables in R: A Comparative Analysis of Data.table, dplyr, and Base R

Calculating Averages of Column B for Each Subset of Column A Based on Specified Granularity