Splitting Data.table by Cumsum of Column in R: A Powerful Technique for Large Datasets

Mastering Apply Functions with xts Objects in R for Efficient Time Series Analysis

Calculating the Mean of Last N Rows of a Pandas DataFrame Where Previous Rows Meet a Condition Using Loops, Parallel Loops with Numba, and Matrix Operations

A New Approach to Rolling Cumulative Sum with dplyr and Lag in R

Converting Matlab Code to R: A Deep Dive into Cumulative Sums, Random Numbers, and Vectorized Operations