Fig 1
Regression tree diagram of the CHAID algorithm for parent: child node proportions 500:250, 480:240, 460:230, 440:220, 420:210:400:200 and 380:190.
Regression tree diagram of the CHAID algorithm for parent: child node proportions 500:250, 480:240, 460:230, 440:220, 420:210:400:200 and 380:190.