New posts in Plyr

group by and scale/normalize a column in r

Why are my dplyr group_by & summarize not working properly? (name-collision with plyr)

plyr or dplyr in Python

How to create a lag variable within each group?

Why does summarize or mutate not work with group_by when I load `plyr` after `dplyr`?

How to select the rows with maximum values in each group with dplyr?

dplyr: "Error in n(): function should not be called directly"

dplyr summarise: Equivalent of ".drop=FALSE" to keep groups with zero length in output

ddply multiple quantiles by group

Applying a function to every row of a table using dplyr?