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All functions

contour_predictive_error()
Contour reading error
fitted(<prinsurf>)
Fitted (reconstructed) values from a principal surface
plot(<prinsurf>)
Plot a principal-surface biplot
predict(<prinsurf>)
Predict all variables from the biplot contours
predictivity()
Sample predictivity of a principal-surface biplot
prinsurf()
Fit a principal surface