[R] Error: length(f1) == length(f2) is not TRUE

[A Singh]

Hi Bill,

Thanks, I did try out what you suggested but it doesn't seem to work.
I get the same error again.

There's obviously something here that I don't get. Need to figure it out.

Aditi

--On 18 September 2009 08:34 -0700 William Dunlap <wdunlap at tibco.com> wrote:

>> From: r-help-bounces at r-project.org
>> [mailto:r-help-bounces at r-project.org] On Behalf Of A Singh
>> Sent: Friday, September 18, 2009 4:42 AM
>> To: r-help at r-project.org
>> Subject: [R] Error: length(f1) == length(f2) is not TRUE
>>
>>
>> Dear R users,
>>
>> I am trying to fit an lmer model with only random effects
>> which is giving
>> me the following error:
>>
>> Error : length(f1) == length(f2) is not TRUE
>> In addition: Warning messages:
>> 1: In P1L55:family :
>>   numerical expression has 390 elements: only the first used
>> 2: In P1L55:family :
>>   numerical expression has 390 elements: only the first used
>>
>>
>> I am trying to extract variance components for a phenotype
>> 'peg.no', using
>> the variable 'family' and a marker column 'P1L55' (which is
>> categorical and
>> has 2 levels- 0 and 1), as random effects. There are no fixed effects.
>>
>> The code I used is as follows:
>>
>> vc<-read.table(...)
>>
>> vcdf<-data.frame(vc)
>> colms<-(vc)[4:13] ##these are the markers
>> lapply(colms,factor)
>
> Note that you did not change columns 4:13 of vcdf to factors:
> you changed copies of them to factors.  Do
>    vcdf[4:13] <- lapply(vcdf[4:13], factor)
> and lmer should be happier.
>
> Bill Dunlap
> TIBCO Software Inc - Spotfire Division
> wdunlap tibco.com
>
>>
>> try(fit<-lmer(peg.no~1 + (1|family/P1L55),
>> na.action=na.include, data=vcdf))
>>
>>
>> I thought that putting the data into a dataframe would help,
>> along with the
>> na.exclude command, because there is a lot of missing data in
>> patches which
>> I have replaced with NA's, but I  don't know how to fix this
>> error at all.
>>
>> Its a bit urgent, and any help is hugely appreciated.
>>
>> The data files are at:
>>
>>
>> <http://www.4shared.com/file/131980362/460bdafe/Testvcomp10.ht
>> ml> (excel)
>> http://www.4shared.com/file/131980512/dc7308b/Testvcomp10.html
>> (txt)
>>
>>
>> Cheers,
>> Aditi
>>
>> ----------------------
>> A Singh
>> Aditi.Singh at bristol.ac.uk
>> School of Biological Sciences
>> University of Bristol
>>
>> ______________________________________________
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>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>



----------------------
A Singh
Aditi.Singh at bristol.ac.uk
School of Biological Sciences
University of Bristol