`R/cov_udi.R`

`udi_model_matrix.Rd`

This is an internal (non-exported) function. This help page provides additional documentation mainly intended for developers and expert users.

`udi_model_matrix(R)`

- R
the number of conditions

a matrix that is Nmodel by R with each row containing a vector of "U", "D" and "I" characters corresponding to a valide model. Constraint is that there is at least one "D" in each row