Counting Unique Values Per Month in R: A Step-by-Step Guide

Creating a Data Frame from a Loop: A Practical Guide to Using lapply in R

Understanding Date Equivalent in R: A Deep Dive into the Details

Understanding Time Differences in R: A Deeper Dive into `difftime` and Date Formats

Mastering Month Abbreviations in Dates: A Deep Dive into `as.Date` and `zoo`

How to Extract Year and Quarter Values from Quarterly Dates Using R: A Comparative Analysis of Base R, plyr, and Car Packages

Understanding Date Formats in R: A Deep Dive into Automatic and Manual Detection Methods

Selecting All Values of a Variable for Which There Is Data for Every Year in R