Understanding Complex Query Scenarios: A Step-by-Step Approach to Searching Multiple Dataframes Based on Custom Order

Transforming Data in R using data.table Library

Filtering Data Points Based on Multiple Conditions in Pandas

Creating DataFrames by Conditions Using dplyr and R: A Step-by-Step Guide

Comparing Daily COVID-19 Increases Using Loops and If/Else Statements in R

Using "for", "if", and "else if" Functions to Create a New Variable in R: A Better Alternative Using max.col()

Conditional Logic in Python: A Guide to Creating a New Column in Pandas DataFrame