Conditional Mean of Observations in Pandas Dataframe: 3 Ways to Calculate the Conditional Average

Conditional Panels in Shiny: Understanding the Behavior of `.Platform$OS.type`

Creating a New Column in a Data Frame Based on Conditions and Values Using lag() + ifelse() in R Programming Language

Conditional Forward Filling in Pandas DataFrame with Custom Conditions

Marking Rows in a Data Frame as "TRUE" if Specific Number Inside Group Appears

Solving the Issue with `str_replace_all` and `as.character` in the `mutate` Function in R.

Grouping and Conditional Selection in Pandas DataFrames for Efficient Data Analysis

Using Multiple 'OR' Conditions with `ifelse` in R: A Comparative Analysis