[R-sig-ME] Question about zero-inflated Poisson glmer
David.Duffy at qimrberghofer.edu.au
Tue Jun 28 10:51:26 CEST 2016
On Tue, 28 Jun 2016, Philipp Singer wrote:
> You can find a sample of the data here:
> You can think of the setting as popularity of items "y" inside stores
> "id" explained by two features "a" and "b" whereas "a" is more of a
> control covariate and I am interested in whether "b" has a positive impact.
Probably not very helpful (what a horrible distribution y has), but
x$cats <- cut(x$y, c(-1,0,10,100,1000,20000))
c1 <- clmm2(cats ~ a + (1|id), data=x)
c2 <- clmm2(cats ~ a + b + (1|id), data=x)
Cheers, David Duffy.
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