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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