www.cmm.bristol.ac.uk/forum

Hi George,

Thanks you very much for your reply. I hope you don't mind, but I have two more questions.

1. I tried your syntax for the 3-level model (see below), but I am getting an error (" Work Matrix is too small (v_b_1.build())" ) in a popup window in MLwiN. Do you know why this might be ...

Hi,

This is the syntax I am using...

2-level:
runmlwin asthma cons, level2(personid) level1(time) discrete (distribution(binomial) link(logit) denominator(cons) pql2)

3-level :
runmlwin asthma cons, level3(familyid) level2(personid) level1(time) discrete (distribution(binomial) link(logit ...

I am using runmlwin to run a three-level model (family-> child-> repeated observation per child) with a binary outcome. I am able to run a two-level model (without accounting for the clustering by family), but when I run the three-level model I am getting the following error "Only MQL1 can be ...