Reshaping Pandas DataFrames with Repeated Columns Using np.array_split and Stack

Understanding Data Must Be a DataFrame Issue in R: Practical Solutions for Resolving Common Errors When Using ggplot2

Retaining Unique Values per Individual ID in a Dataframe in R Using ave and Duplicated Function

Working with DataFrames in R: Creating New Variables Using For Loops Over Multiple DataFrames

Renaming Columns in R: A Step-by-Step Guide Using the `rename()` Function

Calculating New Values Based on Previous Months in R Using Panel Data Approach

Selecting Cases Based on Two Variables in R

Conditional Inference Trees on Random Data: A Deep Dive

Converting Dictionary-Format Columns to Normal DataFrames in Pandas

Here is a complete code snippet that combines all the interleaved code you wrote in a nice executable codeblock: