Tags / multiple-columns
Using Sequences to Retrieve Latest Timestamps in SQL with Multiple Criteria
Extracting Prefixes and Grouping by Number: A Step-by-Step Guide with dplyr and ggplot2
Subsetting Data by Conjunction of Two Columns in R Using dplyr
Automating Minimum Value Assignment in Dataframes with R's appendMin Function
Replacing Column Names in a CSV File by Matching Them with Values from Another File Using Base R and vroom Libraries for Efficient Data Manipulation
How to Perform Arithmetic Operations on Multiple Columns with Pandas Agg Function
Efficiently Unpivoting Multiple Columns into Name and Value Pairs in SQL
Advanced Data Manipulation with R: Selecting Columns Based on Patterns in a data.table Using Regular Expressions
How to Concatenate Thousands of Columns Using UNITE in R
Understanding Time and Date Stamps in CSV Files: A Deep Dive into Panda with Best Practices for Working with Timestamps in Data Analysis