Using Conditional Statements in SAS: A Proactive Approach to Handling Empty Macro Variables

Understanding SQL Server's IIF() Function and Its Data Type Considerations

Mastering Conditional Statements in R: A Guide to if and ifelse

Understanding IF...ELSE Statements in R

Selecting Rows with Multiple Conditions in R: A Vectorized Approach

Fixing Common Issues with the `ifelse` Function in R

Understanding Conditional Statements in R: A Step-by-Step Guide to Fixing Common Issues

Solving the SClass Problem: A Faster Approach Using rowMeans in R

Using data.table to Create New Variables Based on Multiple Criteria

Understanding the Impact of Rounding Errors in the "if" Command: A Solution Guide