This is an S3 generic that transforms the passed argument by applying the transformation rules for its S3 class.
This is an S3 generic. See `PCMApplyTransformation._CholeskyFactor` for an example.
PCMApplyTransformation(o, ...)
a PCM object or a parameter
additional arguments that can be used by implementing methods.
a transformed version of o.
This function returns the same object if it is not transformable.