Table 3 The proportion at which a given variable is selected in the training set and is significant in the validation set after randomly splitting the data 1000 times
From: Determining relative importance of variables in developing and validating predictive models
Variables | Forward selection | Backward selection | Stepwise selection |
|---|---|---|---|
| Â | sv | sv | sv |
Age | 0.979 | 0.956 | 0.954 |
Baseline WBC | 0.873 | 0.803 | 0.789 |
T-cell immunophenotype | 0.394 | 0.464 | 0.464 |
Mediastinal mass | 0.248 | 0.270 | 0.273 |
Splenomegay | 0.192 | 0.118 | 0.136 |
Hepatomegaly | 0.016 | 0.000 | 0.000 |
Sex | 0.000 | 0.000 | 0.000 |