Using Case When Statements and Windows Size for Data Grouping in R

Maximizing Efficiency in Complex Queries: A Solution Using Common Table Expressions (CTEs)

Understanding Chained Indexing in Pandas Aggregation for Rounding Up Values After Group By Operations

Building a Real-Time Data Streaming Application with R Packages for Stream Processing

Aggregating Data from One DataFrame and Joining it to Another with Pandas in Python

Skipping Missing Values in Aggregated Data: A Case Study on Handling Gaps with PostgreSQL

5 Ways to Re Structure R Data from Long-Wide to Wide Format Using Dplyr and Other Methods