Applying Functions Over Rows in R: A Comprehensive Guide to Streamlining Your Workflow

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Advanced Data Manipulation with R: Selecting Columns Based on Patterns in a data.table Using Regular Expressions

Reshaping Data to Apply Filter on Multiple Columns in Pandas DataFrame

Splitting Single-Column Text Files into Multiple Columns with Pandas DataFrame

Performing Group-By Operations on Another Column in R Using Dplyr Package

Comparing Datasets on Multiple Column Criteria and Finding Missing Rows

Merging Two Varying Sized DataFrames on 2 Columns in Python Using Left Join