Grouping Data Points with Categorical Variables: A Step-by-Step Guide to Creating Line Charts with Matplotlib Using Pandas and CatBoost.

This code creates a new dataframe with the same columns as the original dataframe, but with a new index that spans from January 5th to February 4th.

Creating Sequence Indicators for Data Timing Changes in R Using data.table

Transforming Wide-Format Data into Long-Format using Python's pandas Library

Mastering the Split Function in R for Efficient Data Processing

Transforming Categorical Variables into Ordinal Categories Based on Event Rates in Python Using Groupby Function

Computing and Pivoting Data with tidyr and dplyr in R: A Practical Guide for Unique Value Extraction