A B C D E F G H I J K L M N O P Q R S T U V W X Y Z symbols

all – logic “ALL”

any – logic “ANY”

aov – anova

apply –

attach – attach a data set

boxplot – boxplot

break – flow control “BREAK”

c – concatenation

cbind – column bind

chisq.test – conduct chi square test

colMeans – calc. mean for each column

colSums – calc. sum for each column

cor – calc. correlations

cov – calc. covariances

data.frame – creating data frame

dens – calc. density

det – calc. determinant

detach – detach a data set

eig – cal. eigen values and vectors

else – flow control “ELSE”

factanal – factor analysis

for – flow control “FOR”

glm – generalized linear model

hclust – hierarchical clustering

hist – plotting histogram

if – flow control “IF”

ifesle – flow control “IFELSE”

kmeans – kmeans clustering

lm – linear model

matrix – creating matrix

max

mean – calc. means

min

pf

pnorm

princomp – principal component analysis

print – print

prod – products

pt

q – quit R

qf –

qnorm –

qt –

qtukey –

rbind – row bind

read.csv – import a csv file

read.table – import a table

rep – replicate

repeat – flow control “REPEAT”

rev –

rowMeans – calc. mean for each row

rowSums – calc. sum for each row

rnorm – generate random numbers from NORMAL dist.

runif – generate random numbers from UNIFORM dist.

sample – sampling …

sd – calc. stadDev.

seq – create sequence

sort – sort

source –

sum – calc. sum

summary – print summary

t – transpose

table –

tapply

t.test – conduct t-test

TukeyHSD – conduct Tukey’s HSD test

var- cal. (co)variances

which – give the TRUE indices

while – flow control “WHILE”

write.table – export data