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