Numbers

format object for pretty printing

format()

{base}

count unique values of variables

count()

{dplyr}

return current group size

n()

{dplyr}

count unique combinations

n_distinct()

{dplyr}

count unique values of variables

count()

{plyr}

divide range of vector into intervals

cut()

{base}

round values to specified number of digits

round()

{base}

The end!