Author: "Francisco J. Zagmutt" <gerifalte28@hotmail.com>
Date: Mon, 23 Jan 2006 18:24:11 +0000
I have a data frame as shown below called xy: x.1 x.2 x.3 y.1 y.2 y.3 1 1 5 9 2 10 18 2 2 6 10 4 12 20 3 3 7 11 6 14 22 4 4 8 12 8 16 24 I was wondering what would be an easy way to have the mean an
If I understand correctly your concern is that SAS Marginal means are different from the means calculated from your data. If so I would recomend you to review what actually are the marginal means (mo
I have an lm object with 4 parameters Beta1+Beta2+Beta3+Beta 4 and I want to test wether 2 parameters are equal using a Wald test (basically b1=b2 or b1-b2 =0). The S-Plus help file describes that u