| bodyfat | percentage of body fat determined by underwater weighing |
| cox | Family Objects for Cox Proportional Regression Models |
| fp | Fractional Polynomial Transformation |
| GBSG | German Breast Cancer Study Group |
| mfp | Fit a Multiple Fractional Polynomial Model |
| mfp.object | Multiple Fractional Polynomial Model Object |
| predict.mfp | Predict method for mfp fits |