Categories / aggregate
How to Aggregate Rows Based on String Values in R: Handling Missing Values
Grouping and Aggregation in R: Best Practices for Efficient Data Analysis
Aggregating and Conditional Outputs in R Using data.table
Troubleshooting Unique Row Issues in SQL Queries Due to Incorrect Use of DISTINCT Keyword
Data Manipulation and Analysis in R: Efficiently Aggregating Date-Related Data without For Loops Using data.table Package