Print method for the nonprob_summary object which allows for specification
what should be printed or not.
# S3 method for nonprob_summary
print(x, resid = TRUE, pred = TRUE, digits = 4, ...)a nonprob object
whether distribution of residuals should be printed (default is TRUE)
whether distribution of predictions should be printed (default is TRUE)
number of digits to be printed (default 4)
further parameters passed to the print method (currently not supported)