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From |
Alan Acock <acock@mac.com> |

To |
"statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |

Subject |
Re: st: Hierarchical CFA problem |

Date |
Mon, 22 Apr 2013 10:31:39 -0700 |

You could fix the error term at zero to get a solution but the solution might not be good Alan Acock Sent from my iPhone On Apr 22, 2013, at 6:32 AM, "JVerkuilen (Gmail)" <jvverkuilen@gmail.com> wrote: > On Mon, Apr 22, 2013 at 4:31 AM, W Robert Long <W.R.Long@leeds.ac.uk> wrote: > > The key is in the lavaan output: > >> L1 0.192 0.170 >> L2 0.709 0.107 >> L3 0.272 0.069 >> G 0.617 0.183 > > Notice how small the variance of L1 is, and how large its SE is. This > is indicative of a log-likelihood that is close to being irregular, in > this case probably having a mode at or close to 0 for L1's variance. > L3 has a slightly higher variance but a markedly lower standard error, > which means it has a proper peak. While you shouldn't use these > standard errors to compute hypothesis tests or confidence intervals, > they are highly indicative of problems with a model. So I'm not > surprised difficult cleaned things up. > > (lavaan is a nice piece of kit, by the way.) > > -- > JVVerkuilen, PhD > jvverkuilen@gmail.com > > “He uses statistics as a drunken man uses lamp-posts – for support > rather than illumination.”--Andrew Lang > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/

**References**:**st: Hierarchical CFA problem***From:*W Robert Long <W.R.Long@leeds.ac.uk>

**Re: st: Hierarchical CFA problem***From:*"JVerkuilen (Gmail)" <jvverkuilen@gmail.com>

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