Print the result of cv.svd.gabriel or
cv.svd.wold.
the result of a cv.svd.gabriel or
cv.svd.wold computation.
the digits of precision to show in the output.
additional arguments to print.
Print a table of the estimated prediction errors and the standard errors of
the estimate. Put an asterisk (*) next to the minimum and a plus
(+) next to the "one standard error rule" choice.