Combining multiple datasets, whether by stacking or joining, is commonly necessary as is changing the shape of data. The plyr and reshape2 packages offer good functions for accomplishing this in ...
The book “Advanced R, 2nd Edition” by Hadley Wickham (CRC Press) came out in 2019 with much fanfare. Wickham is an internationally recognized R guru, Chief Scientist at RStudio and a member of the R ...
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