R/gpComputeM.R

In gptk: Gaussian Processes Tool-Kit

gpComputeM <-
function(model) {
  ## Remove mean function value from m (if mean function present).
  if ("meanFunction" %in% names(model) && length(model$meanFunction)>0)
    m = model$y - modelOut(model$meanFunction, model$X)
  else
    m = model$y

  ## Remove bias and apply scale.
  for (i in 1:model$d) {
    m[,i] = m[,i] - model$bias[i]
    if (model$scale[i]>0) {
      m[,i] = m[,i]/model$scale[i]
    }
  }

  return(m)
}