Identifying Customers Who Placed Their Next Order Before Delivery Using R

Looping through Multiple Columns in a Dataframe to Detect a Phrase

Conditional and Function Tricks for Modifying Pandas DataFrames in Python

Standardizing Data in Relation to Preceding Entries: Mathematical and Algorithmic Optimizations for Efficient Performance.

Filtering Out Values in Pandas DataFrames Based on Specific Patterns Using Logical Indexing and Merging