search for: 7bdesign

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2008 Apr 15
1
Predicting ordinal outcomes using lrm{Design}
...ach given new observation? (2) Are there good reference that explain the theory behind this type of prediction to a beginner like me? Thank you very much, Jay Hegd? Univeristy of Minnesota -- View this message in context: http://www.nabble.com/Predicting-ordinal-outcomes-using-lrm%7BDesign%7D-tp16704403p16704403.html Sent from the R help mailing list archive at Nabble.com.
2008 Jul 15
2
meaning of tests presented in anova(ols(...)) {Design package}
Hi, I am curious about how to interpret the table produced by anova(ols(...)), from the Design package. I have a multiple linear regression model, with some interaction, defined by: ols(formula = log(ksat * 60 * 60) ~ log(sar) * pol(activity, 3) + log(conc) * pol(sand, 3), data = sm.clean, x = TRUE, y = TRUE) n Model L.R. d.f. R2 Sigma 1834 1203