.RData
gapminder
git config
filter()
select()
mutate()
arrange()
rename()
group_by()
saveRDS()
readRDS()
dput()
dget()
tibble::tibble()
tibble::tribble()
with()
ggsave()
Rplots.pdf
dplyr
aggregate()
NA
...
rnorm()
runif()
rpois()
rep()
letters
LETTERS
each
times
length.out
replicate()
for()
uiOutput()
#> Error in `loadNamespace()`: #> ! namespace 'xfun' 0.54 is already loaded, but >= 0.55 is required