data frame/tibble
<-
=
%>%
c()
mutate()
if_else()
paste()
group_by()
summarise()
percent()
sum()
mean()
median()
select()
separate()
arrange()
pivot_wider()
full_join()
filter()
colour
fill
aes()
theme()
fct_collapse()
fct_relevel()
finalfit
coxph()
finalfit()
ff_glimpse()
missing_plot()
missing_pattern()
.R
.Rmd
Continuous data can be measured. Categorical data can be counted.