Message-ID: <22850.34822.65267.508738@losangelesyouthorchestra.org>
Date: 2017-06-15T13:13:42Z
From: Don Cohen
Subject: understanding I() in lmer formula
In-Reply-To: <1A8C1289955EF649A09086A153E267240BA3DB2649@GBTEDVPEXCMB04.corp.lgc-group.com>
The suggestion to post on R-sig-ME was a good one.
The problem turned out to be a bug in lmer parsing, which is now fixed.
S Ellison writes:
> > Is there a difference between I(x*y) and I(y*x) ?
> > I have a call to lmer that results in this complaint:
> > Error in is.alpha2.subordinate * ~z.min.co.res :
>
> A reproducible example would help ...