Using Dplyr to Merge and Transform Dataframes in R

Conditional Strings in R: Simplifying Code with Logical Values

Pandas Conditional Fillna Based on Another Column Values

Filtering Large Dataframes in R Using Data.Table Package: Efficient Filtering of Cars Purchased within 180 Days

Filtering Rows with Multiple Conditions in Pandas Using Various Techniques

SQL Conditional Select and Conditionals in the WHERE Clause

Using Multiple 'OR' Conditions with `ifelse` in R: A Comparative Analysis

Conditional Mean of Observations in Pandas Dataframe: 3 Ways to Calculate the Conditional Average

Data Manipulation and Filtering in R: A Case Study on Multiplying Column Values within a Date Range While Replacing Old Values

Iterating Items of a List in Columns of a Pandas DataFrame: A Comparative Analysis