data.frames
data.frame
plot()
pdf
postscript
mfrow()
mfcol()
layout()
pch
cex
col
bg
hist()
boxplot()
barplot()
plot.phylo()
image()
countour()
map()
xlim
ylim
legend()
points()
text()
mtext()
axis()
abline()
arrows()
rect()
polygon()
segments()
symbols()
locator()
identify()
apply()
if ()
else
ifelse()
for(){}
while(){}
if(){}
match()
merge()
\
dplyr
ggplot2
select()
filter()
group_by
summarise
%>%
base
apply(")