names
rep()
seq()
;
:
paste()
paste0()
|
&
!
||
&&
NULL
NA
Inf
-Inf
NaN
factor()
ordered()
gl()
matrix()
if
if...else
ifelse()
if … else
switch()
for
while
repeat
break
next
return()
S3
S4
apply
apply()
lapply()
sapply()
tapply()
par()
pch =
cex
col
col.axis
col.lab
col.main
col.sub
fg
bg
x
y
mar
oma
mfrow
mfcol
layout
layout()
axis(side, ...)
points(x, y)
text()
mtext()
legend(x, y, legend, ...)