New vignette -- Usages of .SD #3572

Merged

mattdowle merged 5 commits intomasterfrom

May 22, 2019

Commits on May 18, 2019

initial work on converting SO answer to vignette
Michael Chirico
committed
Closes #3412 -- adds .SD vignette from SO answer
Michael Chirico
committed
tidying code & knitr options
Michael Chirico
committed

Commits on May 22, 2019

Merge branch 'master' into sd_vignette
mattdowle
committed
RData/Rdata typo, and changed RData files from version 3 to 2 to avoid warning about package depending on R 3.5+
mattdowle
committed