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

Applying an Iterative/Non-Aggregating Function to Multiple Subsets of Data in R: A Flexible Solution Beyond Aggregation Packages

Optimized Solution for Finding Nearest Previous Higher Element in Vectors Using Rcpp

Querying Dataframes Inside a List Using SQL with sqldf and Various Packages

Subsetting Time Series Objects in R: 5 Effective Methods for Filtering Data

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

Calculating Rolling Sums Using rollapplyr in R