Body fat of AIS athletes

This is a simple diagram showing that an ancilliary numerical variable, Z, can be split into classes to define a categorical variable that can be used in the same way as the categorical variables in earlier pages of this section.

Select Separate lines to fit separate least squares lines for athlets in different height groups.

Warn that:

Analysis should take account of both height and sex.


Data were collected from a sample of 202 elite athletes who were in training at the Australian Institute of Sport.