R Code Example: Joining Search and Visit Data to Create Check-in Time Variable

Handling Lists and Symbols in R: A Base R Solution for Select_or_Return

Performing a Left Join on Two Data Frames Using Less-Than and Greater-Than Conditions in R with dplyr

Efficiently Count Non-Missing Values Across Multiple Columns in R Using dplyr

Creating New Columns with Conditional Values Based on Grouped Column Data in R

Using vapply and mutate in R to Apply Function to a Column in Dataframe for Efficient Data Manipulation.

Optimizing Performance in R: Improved Code for Calculating Sum of Size

Evaluating Functions with NULL Default Arguments in R using dplyr's fun Function

Correlation Matrix of Grouped Variables in dplyr Using Multiple Approaches

Understanding the .names Function in R: Dynamic Column Name Modification with mutate(across...)