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ec13
2006 Sep 04
1
Question on Chi-square of null model in sem package
...from a sample of a 16-item questioinnaire. The variance of items are
> diag(cov(emc.data))
EMC1 EMC2 EMC3 EMC4 EMC5 EMC6 EMC7 EMC8
0.3622224 0.2350041 0.2488009 0.2901653 0.3195399 0.3107343 0.3436622 0.2345912
EMC9 EMC10 EMC11 EMC12 EMC13 EMC14 EMC15 EMC16
0.2621680 0.3230400 0.4039245 0.3803105 0.2773370 0.4348342 0.2757216 0.3405252
The fit indices of RMSEA and GFI are good, so I think the problem
might be solve by another way for computing the Chi-square of null
model. I'm not well trained in maths, so I come for...