seq
:
scan
head()
tail()
'['
'[['
'[<-'
'[[<-'
match()
%in%
findInterval()
split()
unsplit()
order()
sort()
duplicated()
tabulate()
invisible()
...
round(x, 2)
## 0% 25% 50% 75% 100% ## 0.04 0.28 0.53 0.82 0.98