Creating New Columns and Assigning Values Based on Column Groups: A Comparative Analysis of Explicit Mapping Using Dictionaries, Leveraging the `isin` Function with Lists, and Utilizing Pandas' Built-in Features for Data Manipulation

Removing Leading/Trailing Spaces from Header Rows in XLSB Files Using Python

Visualizing Nested Boxplots with Seaborn: A Step-by-Step Guide

Filtering Data with Pandas: A Comprehensive Guide

Counting Sequential Entries in a Column While Grouping by Another Column in Python

Using Pandas for Pandemic: A Step-by-Step Guide to Handling Missing Data with Imputation

Understanding ValueErrors in Matplotlib: A Case Study on Dataframe Column Selection

Create a New Column in Pandas based on Condition and Max Values

Removing Loops with Vectorized Operations in pandas: Optimizing Performance for Large Datasets

Adding Four Digits to Century-Style Years in Pandas DataFrames: A Simple yet Effective Solution