[R] latex and anova.lme problem

[Frank E Harrell Jr]

Michael Kubovy wrote:
> Dear R-helpers,
> 
> When I try
>  > anova(txtE2.lme, txtE2.lme1)
>             Model df  AIC  BIC logLik   Test L.Ratio p-value
> txtE2.lme      1 10 8590 8638  -4285
> txtE2.lme1     2  7 8591 8624  -4288 1 vs 2    6.79  0.0789
>  > latex(anova(txtE2.lme, txtE2.lme1))
> Error: object "n.group" not found

Michael,

As far as I know, no one has implemented a latex method for anova.lme 
objects.  You are trying to use a default latex method for a complex object.

n.group is an argument to latex.default in the Hmisc package

Frank

> 
> I don't even see n.group as one of the arguments of latex()
> 
> I checked to see
>  > class(anova(txtE2.lme, txtE2.lme1))
> [1] "anova.lme"  "data.frame"
> 
> A bit more information (which I don't know is relevant):
>  > methods(anova.lme)
> no methods were found
> Warning message:
> function 'anova.lme' appears not to be generic in: methods(anova.lme)
>  > methods(latex)
> [1] latex.bystats                  latex.bystats2                  
> latex.default
> [4] latex.describe                 latex.describe.single           
> latex.function
> [7] latex.list                     latex.summary.formula.cross     
> latex.summary.formula.response
> [10] latex.summary.formula.reverse
> 
> 
> *********************sessionInfo()************************
> R version 2.4.0 (2006-10-03)
> powerpc-apple-darwin8.7.0
> 
> locale:
> C
> 
> attached base packages:
> [1] "datasets"  "methods"   "stats"     "graphics"  "grDevices"  
> "utils"     "base"
> 
> other attached packages:
>       Hmisc      chron     xtable    geepack     glmmML        
> nlme       lme4     Matrix    lattice
>     "3.1-1"    "2.3-8"    "1.3-2"   "1.0-10"   "0.65-3"   "3.1-77"  
> "0.9975-1" "0.9975-2"   "0.14-9"
>        MASS        JGR     iplots     JavaGD      rJava
>    "7.2-29"   "1.4-11"    "1.0-4"    "0.3-5"   "0.4-10"
> 
> _____________________________
> Professor Michael Kubovy
> University of Virginia
> Department of Psychology
> USPS:     P.O.Box 400400    Charlottesville, VA 22904-4400
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> WWW:    http://www.people.virginia.edu/~mk9y/
> 
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> 


-- 
Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University