| contrast | General Contrasts of Regression Coefficients |
| contrast.geese | General Contrasts of Regression Coefficients |
| contrast.gls | General Contrasts of Regression Coefficients |
| contrast.lm | General Contrasts of Regression Coefficients |
| contrast.lme | General Contrasts of Regression Coefficients |
| print.contrast | General Contrasts of Regression Coefficients |