Create Categories From Time Based Data
DESCRIPTION:
Create a category object from time based data. This functions is
used with expected survival analysis functions.
USAGE:
tcut(x, breaks, labels, scale=1)
REQUIRED ARGUMENTS:
- x
-
time variable to create the categories from.
- breaks
-
a vector defining the breakpoints for the categories.
OPTIONAL ARGUMENTS:
- labels
-
a vector of labels for the intervals, this must be 1 less than the length
of
breaks
.
- scale
-
a scalar value that multiples
x
in the return object.
VALUE:
an object like
x
of class
"tcut"
with attributes
"cutpoints"
and
"labels"
.
SEE ALSO:
.