R Vocabulary – week 1


# vectors
length()
mode()
seq()
re()
[
[[
c()
names()

# strings
paste()
strsplit()
as.character()

# math
sqrt()
mean()
sum()
hist()
round()
ceiling()
floor()
sample()

# boolean and matching
%in%
match()
which()
any()
all()
ifelse()
unique()

# matrices
matrix()
rbind()
cbind()
%*%
attributes()

# data frames and misc
print()
head()
data.frame()
read.csv()

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