Finding the Position of the First TRUE Value in a DataFrame in R

Transforming Data from Long to Wide Format using tidyr in R

Optimizing Data Manipulation in R: A Step-by-Step Guide for Efficient Data Joining and Transformation.

Handling Missing Values in Survey Data: A Step-by-Step Guide to Calculating Weighted Grouped Percentages

Mastering Data Transformation: R Code Examples for Wide & Narrow Pivot Tables

How to Resolve the Error "! For a Classification Model, the Outcome Should Be a Factor" When Using XGBoost in R

Subset Data by Hour in R: 4 Efficient Approaches for Time-Consistent Analysis

How to Use Purrr's Nest Function in R for Nested Data Manipulation

Here is the code with explanations and improvements.