Improving Performance Optimization in R Code for Data Analysis Tasks

Vectorized Flag Assignment in Pandas DataFrames: A Performance Boost

Manipulating Rows in Pandas DataFrame Using StartsWith Keyword

Selecting Columns of Data Frame Based on Another Column's Value

Efficient Vectorization of Loops with Repeating Indices in R Using Data.table and Base R Solutions

Vectorizing Eval Fast: A Guide to Optimizing Python's Eval Functionality with Numpy and Pandas