Displaying 1 result from an estimated 1 matches for "psi21".
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psi1
2011 Mar 08
1
SEM error
...ex -> m3, gam19, NA
10: x -> y, gam20, NA
11: m1 -> y, gam21, NA
12: m2 -> y, gam22, NA
13: m3 -> y, gam23, NA
14: age -> y, gam24, NA
15: sex -> y, gam25, NA,
16: m1 <->m1, psi11, NA
17: m2 <-> m2, psi12, NA
18: m3 <-> m3, psi13, NA
19: m1 <-> m2, psi21, NA
20: m1 <->m3, psi22, NA
21: m2 <-> m3, psi23, NA
22: Y <-> Y, psi24, NA,
hcor <-function(ly) hetcor(ly, std.err=FALSE)$correlations
R.ly <-hcor(ly)
sem.ly <- sem(model.ly, R.ly, N=174)
Error in sem.default(ram=ram, S=S, N=N,??????????)
The model has negative degree...