Adding New Column to Pandas DataFrame Based on Multiple Conditions Using NumPy's np.select() Function

Reordering Columns Dynamically in a Data Frame Using dplyr in R

Applying Operations to Each Row After Looking Up Info from Another DataFrame in R

Splitting a Pandas DataFrame into Equal Number of Groups Based on One Specific Column

R Code Example: Creating Missing Values and Calculating Summary Statistics for ID-Based Data

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

Creating Dynamic Tables with kableExtra: A Variable Number of Columns

How to Calculate Proportions of Items Being 'Dispatched' and 'Received' with Condition in Pandas DataFrame

Understanding Conditionally Removing Duplicates in Data Analysis Using dplyr in R

Filtering Dataframes with dplyr: A Step-by-Step Guide in R