Prediction method for objects of classes deriving from "lm_mat"
An set of predicted values
Object of class inheriting from "lm_mat"
An optional data frame in which to look for variables with which to predict. If omitted, the fitted values are used.
A switch indicating if standard errors are required.
Degrees of freedom for scale.
Type of interval calculation. Can be abbreviated.
Tolerance/confidence level.
further arguments passed to or from other methods.