Re: [R] Help with lme4 model specification

2009-05-07 Thread boeinguy2
for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey -Oorspronkelijk bericht- Van: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Namens boeinguy2 Verzonden: donderdag 7 mei 2009 0:21 Aan: r-help@r

Re: [R] Help with lme4 model specification

2009-05-07 Thread boeinguy2
Thanks for your response. This is suspicious : Spar_loc doesn't appear in your statement... Yes Spar_loc should look suspicious. I posted the real error messages but hid the variable names in the model. Spar_loc is the original form of S. The precedence of modelling operators is not very

[R] Help with lme4 model specification

2009-05-06 Thread boeinguy2
I am new to R and am trying to specify a model for mixed model analysis. When I run the following model I get an error: AAT- lmer(Y ~ S + A + (1|S:A/H), data=AT, REML=True) The error looks like this: Error in Spar_loc:`:` : NA/NaN argument In addition: Warning messages: 1: In