Working with Time Series in R: Subsetting by Last Workday of the Week Using xts Package

Calculating Average Returns for Each Week of the Month Over a 10-Year Period in R: A Step-by-Step Guide

Converting Large CSV Files to POSIX.cte with High Performance Using Fasttime

Binning Time Series Data in R: A Step-by-Step Guide to Computing Average Over 20 Second Intervals and Grouping by Another Column