Summing Climate Variables Based on Conditions from Two Dataframes and Dealing with Dates in R Using Tidyverse

Substituting Values Across Different DataFrames in R Using lapply and Custom Functions

Effective Date Range Queries with Fuzzy Joining in R

Creating Multiple Lists from a Pandas DataFrame Based on Conditions

Merging Two Dataframes with Unequal Numbers of Rows Using R's merge Function

Reshaping Pandas DataFrames from Long to Wide Format with Multiple Status Columns

Separating Rows of Data Containing Multiple Non-Zeros with Tidyverse

Creating Dummy Variables in R: A Step-by-Step Guide for Every Unique Value in a Column Based on a Condition

Transforming a Categorical Column into the Level 0 of a Column Multi-Index Using Pandas

Aggregating Data in Pandas DataFrame using Groupby and Agg Methods