if
else
for
while
repeat
break
next
function
return
TRUE
FALSE
NULL
NA
Inf
NaN
library
require
source
data.frame
list
vector
matrix
array
factor
numeric
integer
logical
character
complex
Date
POSIXct
ggplot
plot
summary
mean
median
sd
var
sum
min
max
range
which
any
all
match
length
names
colnames
rownames
apply
lapply
sapply
vapply
tapply
dplyr
filter
select
mutate
arrange
summarize
group_by
left_join
inner_join
tidyr
gather
spread
pivot_longer
pivot_wider
pipe
str_replace
str_detect
read.csv
write.csv
head
tail
<-
->
=
+
-
*
/
^
%%
%/%
==
!=
<
>
<=
>=
!
&
|
&&
||
:
~
$
@
(
)
[
]
[[
]]
{
}
,
;
?
??
%>%
|>
!!
!!!
:=
.
...
#
'
"
