Selective Flattening of Columns in Nested JSON Structures using Pandas' json_normalize

Understanding Time Frequency with Pandas GroupBy: Mastering Monthly, Weekly, Daily, and Hourly Grains of Data

How to Detect Changes in Time Series Data Using Pandas Grouping

Grouping and Applying a Function to Pandas DataFrames Using Custom Functions and Merging Results

Counting Unique Rows Based on Preceding Row Values Using Pandas

Calculating the Number of Cells Sharing Same Values in Two Columns of a Pandas DataFrame Using Various Approaches

Extracting All But the First k Rows from a Group in a pandas `GroupBy` Object

Using GroupBy to Concatenate Strings in Python Pandas: A Comprehensive Guide

Converting Pandas DataFrames to Nested JSON Format Using Custom Functions and String Formatting Techniques

Counting Customer Call Times: A Step-by-Step Guide Using Pandas in Python