
Add assertion tests to your functions to ensure assumptions are met and errors are helpful.
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Add assertion tests to your functions to ensure assumptions are met and errors are helpful.
Tips and example R scripts for converting long-formatted data into wide tabular format
Improve your functions with helpful dataframe evaluation patterns.
Iterate your R code using the map() function from the purrr package.
Write functions in R that run better and are easier to understand.
Learn the ropes building your own functions in R using water data examples.