model_diagnostics returns error when y_hat is of array class

[hbaniecki]

We could potentialy make model_diagnostics() more robust to different y_hat class.

DALEX/R/model_diagnostics.R

Lines 60 to 64 in 369a092

	if (is.null(dim(explainer$y_hat))) {
	results$y_hat <- explainer$y_hat
	} else {
	results$y_hat <- explainer$y_hat[, 1] # this will work only for first column
	}