Modifying Values in a DataFrame Based on Another Column

data conversion with groups using external values and string conditions in R: a practical guide to dynamic data manipulation.

Conditional Strings in R: Simplifying Code with Logical Values

Efficiently Filling NaN with Zero in Pandas Series: A Comparison of Approaches

Tracking Employee Activity and Vacancy Over Time with pandas

Substituting Calculated Frame by Selector Input When Checkbox is Checked in Shiny Applications

How to Fix a Game of Roulette: Functions, Loops, and Conditional Statements for Statistical Computing with R

Conditional Statement for Evaluating and Creating New Columns in Dataframes

Creating a New List by Comparing DataFrame Columns with Sets in Python

Data Manipulation in R: Merging Data from Two DataFrames with Multiple Conditions Using dplyr and Base R