str does not stand for string, it stands for structure: str(…) displays the internal structure of a given R object. #
# str stands for structure
#
# s.a. -> structure(),
# ../examples/having_a_look_at_data.R
#
d <- data.frame (
foo = c( 1 , 2 , 3 ),
bar = c('one', 'two', 'three')
)
str(d)
# 'data.frame': 3 obs. of 2 variables:
# $ foo: num 1 2 3
# $ bar: Factor w/ 3 levels "one","three",..: 1 3 2