This method computes tests of dimension in dimension reduction regression. A separate method is needed for each dimension reduction regression method. Called by the dr function, and not usually accessed directly by the user.
dr.test(object, nd) dr.test.default(object, nd)
object |
dimension reduction regresion object |
nd |
Maximum number of dimensions to test |
Returns test statistics and significance levels in a data frame.
Sanford Weisberg, <sandy@stat.umn.edu>
R. C. Cook (1998). Regression Graphics. New York: Wiley.