Added priorMean parameter to GPExactModule and GPSamplerModule
Options are 'zero', 'dirichlet' and 'neumann', of which 'dirichlet' is the default.
This affects the type of prior mean that is used.
Options are 'zero', 'dirichlet' and 'neumann', of which 'dirichlet' is the default.
This affects the type of prior mean that is used.