R4DS Ch. 20

typeof()

{base}

return the type of object

object_size()

{pryr}

compute size of object

set_names()

{magrittr}

set names of object

getS3method()

{utils}

return a method for S3 generic function

list()

{base}

create recursive vector (list)

tibble()

{tibble}

create tibble

is.finite()

{base}

determines if numeric is finite

attr()

{base}

return or set individual attribute values

runif()

{stats}

generate random number from uniform distribution

str()

{utils}

return object structure

attributes()

{base}

return all attributes of vector, matrix,
data frame, etc.

length()

{base}

return or set number of elements in vector

print()

{base}

prints argument

data.frame()

{base}

create data frame

methods()

{utils}

return all available methods for function

rep()

{base}

create repetitions of numbers, characters, etc.

The end!