Calculating Lagged Exponential Moving Average (EMA) of a Time Series with R

Dynamic Mutation of Dataframe Columns in R: Automating Column Renaming Using Functions and Loops

How to Use dplyr's mutate Function to Perform Conditional Sums in R

How to Create New Columns in R DataFrames Based on Conditions Between Two Columns Using dplyr

Using Multiple 'OR' Conditions with `ifelse` in R: A Comparative Analysis