Using Piecewise Regression for Multiple Variables and Groups: A Step-by-Step Guide in R with the Segmented Package

Collapsing Consecutive Periods in Time Series Data Using RLE

How to Group Rows by Variable in R Language: A Comparative Approach Using dplyr, tidyr, and purrr Packages

Efficiently Merge Data Frames Using R's dplyr Library for Age Group Assignment

Removing Particular Rows in a Dataframe with Pre-defined Conditions: A Step-by-Step Solution

Adding Date Columns to GroupBy Results Using pandas for Data Analysis.

Combining DataFrames in R: A Step-by-Step Guide to Full Joining and Handling Missing Data

Resolving the Issue with Remove Unused Categories in Pandas DataFrames and Series

Sum by Groups in Two Columns in R Using dplyr and lubridate

Append Rows of df2 to Existing df 1 Based on Matching Conditions