Comparing Thread Sizes by Diameter in a Data Frame with dplyr

Setting Non-Constant Values on a Subset of Rows and Columns in a DataFrame Using Multiple Approaches

Aggregating Multiple Columns Based on Half-Hourly Time Series Data in R.

Flexible Data Subsetting in R: Methods and Custom Functions

Sum by Groups in Two Columns in R Using dplyr and lubridate

Combining Multiple Data Frames from the Global Environment Using do.call and mget

How to Mutate Columns and Transform a Wide DataFrame in R to Long Format Using Tidyr Package

Changing Column Types to Ordinal: A Step-by-Step Guide on Working with Factors in R

Subsetting a Data Frame Based on Another Data Frame with Multiple Conditions Using dplyr Package in R

Using the Apply Function in R: A Comprehensive Guide to Simplifying Data Analysis