search for: sitelcs

Displaying 2 results from an estimated 2 matches for "sitelcs".

Did you mean: sitelc
2011 Dec 24
1
Nested model - "singularities not defined"
I am using a nested model in R and the lm output shows 47 not defined because of singularities and I have no idea why. Any help on why this is happening or how to fix this problem would be very much appreciated. Below is the output I received from R. Thanks and happy holidays! Call: lm(formula = Dist ~ Treatment/SiteL/Territory) Residuals: Min 1Q Median 3Q Max -6.646 -1.443
2006 Feb 04
1
Mixed models and missing p-value...
...fects: Groups Name Variance Std.Dev. patelle (Intercept) 34.995 5.9157 Residual 744.736 27.2899 # of obs: 123, groups: patelle, 33 Fixed effects: Estimate Std. Error t value (Intercept) 60.3483 4.3929 13.7378 siteLCN -20.1969 7.8070 -2.5870 siteLCS -18.2154 6.1514 -2.9612 Correlation of Fixed Effects: (Intr) sitLCN siteLCN -0.563 siteLCS -0.714 0.402 I don't understand why D.F. and p-values associated to the fixed-effects coefficients are missing. Could anyone help me? When I tried another model (mod2<-lmer(nb ~ s...