On Thu, Jul 07, 2011 at 04:09:28PM -0400, Jason Stover wrote: > response = intercept + b_1 * X + b_2 * Y_1 + b_3 * Y_2 + b_4 * X * Y_1 > + b_5 * X * Y_2 + error
I forgot to mention: Notice the number of degrees of freedom for the interaction is just the number of coefficients devoted to that interaction. _______________________________________________ pspp-dev mailing list [email protected] https://lists.gnu.org/mailman/listinfo/pspp-dev
