Archives: Ubc

Tuesday, July 5, 2022

Speeding up loops in R

This is from a session I did with the UBC R Study Group. Loops can be convenient for applying the same steps to big/distributed datasets, running simulations, and writing your own resampling/bootstrapping analyses. Here are some ways to make them faster. 1. Don’t grow things in your loops. 2. Vectorize where possible. i.e. pull... More

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