Custom Time Series Aggregation: Creating Three-Month Periods from Monthly Data

Creating Dataframes with Vectorized Cells in R Using the I Function and data.table Package

Comparing Character Columns in R: A Comprehensive Guide to Text Analysis and Data Cleaning

Grouping Data in R: A Comprehensive Guide with dplyr and ggplot2

Time Series Modeling with R: A Comprehensive Guide to Implementing Campbell and Diebold's (2005) ARMA-GARCH Model

Understanding the Issue with xts Timestamps in R: A Guide to Minimizing Discrepancies

Removing Rows by Reference in data.table for Efficient Data Manipulation in R

Understanding Residuals from OLS Regression in R

Mastering Regular Expressions in R for Accurate Position Extraction

Calculating a Matrix of P-Values for KS Test and T Test in R: A Comparative Analysis of Nested Loops and Outer Functions