qcut {timereg}

Cut a variable

Description

Calls the cut function to cut variables on data frame.

Usage

qcut(x, cuts = 4, breaks = NULL, ...)

Arguments

x

variable to cut

cuts

number of groups, 4 gives quartiles

breaks

can also give breaks

...

other argument for cut function of R

Author(s)

Thomas Scheike

Examples

data(sTRACE)
gx <- qcut(sTRACE$age)
table(gx)