Interpolating a Time Series in R: Expanding the R Matrix on Date

How to Create Vectors of Dates Following Specific Sequences Using lubridate in R

Troubleshooting Date Formatting in R: A Guide to Overcoming Common Pitfalls

Retrieving the Last Production Quantity from a MySQL Query: Two Solutions with Correlated Subqueries and row_number()

Creating Binary Variables for Working Hours and Morning Status Using R: A Step-by-Step Guide

How to Calculate Biweekly or Fortnightly Numbers from Dates Using Lubridate in R

Reading Date Columns from Excel Sheets with Ambiguous Formats into R: A Custom Solution for Accuracy

Displaying Last Date of Training for a Month Using SQL Aggregate Functions

Fixing Anomalous Dates when Converting from Class Factor to Class Date in R

Understanding the Odd Behavior of as.POSIXct in R: A Guide to Workarounds and Best Practices