Comparing Values of a Certain Row with a Certain Number of Previous Rows in R's data.table

How to Group Data in R: A Comparison of dplyr, data.table, and igraph

Calculating Percentage Increase/Decrease in Time Series Data with R: A Step-by-Step Guide

Creating Lagged Variables in Time Series Data Frames with dplyr and data.table in R

Subtracting Columns in a Dataframe: A Step-by-Step Guide with R Example

Working with Dates in R: A Deeper Look at Lubridate and dplyr

How to Group Rows by Variable in R Language: A Comparative Approach Using dplyr, tidyr, and purrr Packages

Modifying Data Table in R Using Nested For Loops to Replace Characters with Calculated Values

Using dplyr to Transform and Group Data with Custom Output Columns

Optimizing Row Filtering with OR Conditions in Data.table