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
>
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