| cols-package | Constrained Ordinary Least Squares |
| cls | Constrained least squares |
| int.cls | Constrained least squares |
| int.mcls | Constrained least squares |
| mpcls | Positive and unit sum constrained least squares |
| mpls | Positively constrained least squares |
| mvcls | Constrained least squares |
| mvpls | Positively constrained least squares with a multivariate response |
| pcls | Positive and unit sum constrained least squares |
| pls | Positively constrained least squares |