Extracting Rolling Maximum Values Based on Column Values: A Comparative Analysis of Base R, data.table, and dplyr

Boolean Masking Made Easy: Mastering Pandas Dataframe Filtering with Conditionality

Filtering DataFrames with Dplyr: A Pattern-Based Approach to Efficient Filtering

Sentiment Analysis in R: A Step-by-Step Guide to Overcoming Challenges and Achieving Insights

Calculating Time Spent Between Consecutive Elements in an Ordered Data Frame: A Comparative Analysis of Vectorized Operations, the `diff` Function, `plyr`, and `data.table`.

Understanding Data Frames in R: Mastering List Interactions Without Prefixes

Here is a complete code snippet that combines all the interleaved code you wrote in a nice executable codeblock:

Multiplying Data Frame Cells with Weights Using Dplyr

Splits a Pandas DataFrame into Sub-Dataframes Based on Pattern

Here's the complete code with all methods: