Table 3.
Percentage of Misclassification in Discriminant Analysis by Data Set and Method Used
| Data set | Parametric | NNET | Nonparametric | RM | ||||
|---|---|---|---|---|---|---|---|---|
| LDA | LOG | QDAa | KER | 1NN | 3NN | |||
| Alu21 | 40 | 32 | NA | 38 | 37 | 32 | 36 | 30 |
| Alu8 | 49 | 35 | 51 | 35 | 49 | 42 | 38 | 37 |
| β-globin | 58 | 63 | 65 | 52 | 58 | 52 | 53 | 50 |
| Y98 | 79 | 71 | 70 | 27 | 61 | 27 | 27 | 40 |
| Y99 | 83 | 81 | 73 | 27 | 43 | 27 | 27 | 37 |
The QDA method could not be used for the Alu21 data set because of the insufficient number of individuals with the complete, 21-locus genotype in some samples.(LDA) Linear discriminant analysis; (LOG) logistic discriminant analysis; (QDA) quadratic discriminant analysis; (NNET) neural networks; (KER) nonparametric discriminant analysis with Gaussian kernel; (1NN and 3NN) nonparametric discriminant analysis with, respectively, 1 and 3 nearest neighbors; (RM) Rannala and Mountain (1997) method.