Example: barber
Chaid Model
Found 2 free book(s)The HPSPLIT Procedure - SAS
support.sas.combecause the model is expressed as a series of if-then statements. The predictor variables for tree models can be categorical or continuous. The model is based on a partition ... residual sum of squares) and criteria based on statistical tests (chi-square, F test, CHAID, FastCHAID) provides a computationally efficient strategy for generating ...
Classification and regression trees
pages.stat.wisc.edufor the 1993 model year.18 There are 93 cars and 25 variables. We let the Y variable be the type of drive train, which takes three values (rear, front, or four-wheel drive). The X variables are listed in Table 2. Three are unordered (manuf, type, and airbag, tak-ing 31, 6, and 3 values, respectively), two binary-