in my example, long.partial = "x2_t2 ~1" fails to free the intercept at x2_t2
Terrence D. Jorgensen (he, him, his)
Assistant Professor, Methods and Statistics
Research Institute for Child Development and Education, the University of Amsterdam
http://www.uva.nl/profile/t.d.jorgensen
would it be possible to constrain an indicator's intercept only for one time point?