[R] randomLCA_with error for me

[Uwe Ligges]

On 26.03.2013 15:10, Bismark Kofi wrote:
> Please can someone explain to me how to use randomLCA in R for an analysis.
> I tried using it and had this error (copied below) which indicated my
> patterns must consist of 0 or 1. I assume I am doing something wrong.

Yes, not using 0 and 1?
See the help page which explains:

patterns    Matrix of 0 and 1 definging the outcome patterns

Best,
Uwe Ligges


> Please help.
>
>
>
>> library(lattice)
>> library(boot)
>
> Attaching package: ‘boot’
>
> The following object(s) are masked from ‘package:lattice’:
>
>      melanoma
>
>> library(utils)
>> library(randomLCA)
>> #random parameter latent class model
>> trt.lca1random <-
> randomLCA(trt[,1:5],initmodel=0,nclass=1,random=TRUE,quadpoints=41,probit=TRUE)
> Error in randomLCA(trt[, 1:5], initmodel = 0, nclass = 1, random = TRUE,  :
>    patterns must consist of either 0 or 1
>> trt.lca2random <-
> randomLCA(trt[,1:5],initmodel=0,nclass=2,random=TRUE,quadpoints=41,probit=TRUE)
> Error in randomLCA(trt[, 1:5], initmodel = 0, nclass = 2, random = TRUE,  :
>    patterns must consist of either 0 or 1
>
> Thanks,
> Bismark
>
> 	[[alternative HTML version deleted]]
>
>
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>