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From |
Maarten Buis <maartenlbuis@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: graphing results from multilevel model [Was: Re: st: Thread-index: AQHNYz] |

Date |
Mon, 16 Jul 2012 13:47:51 +0200 |

On Mon, Jul 16, 2012 at 12:40 PM, Brendan Churchill wrote: > xtmixed atwkwrl[attitude variable] age cohort agexcohort i.educationhistory > i.employment sex || pid: age, cov(un) variance mle > I've heard about the -marginsplot- command, but I have unsuccessfully been > able to execute that…. You did not say what you typed when you tried -marginsplot- and you did not say what Stata told you in return, so it is hard to comment on what you did wrong. However, in order to use -marginsplot- correctly you should not create the interaction terms yourself, but use the factor variable notation, see: -help fvvarlist-. > To produce a graph from the model. I use the 'predict' function and I try > produce a line graph, I'm interested in the how the cohorts differ in their > attitudinal scores > > twoway (line prediction age if cohort==1, sort) (line prediction age if > cohort==2, sort) etc…. > > When the graph is produced, the lines are connected and look like odd tree > branches. I've tried to sort the data before producing the graph and > sometimes that makes it a little clearer, but it's still connected like odd > tree branches As for the "tree-like" appearance of your graph, it seems to me that you did not fix the values of the other covariates. See e.g.: <http://www.hsph.harvard.edu/cgi-bin/lwgate/STATALIST/archives/statalist.1207/date/article-535.html> -- Maarten -------------------------- Maarten L. Buis Institut fuer Soziologie Universitaet Tuebingen Wilhelmstrasse 36 72074 Tuebingen Germany http://www.maartenbuis.nl -------------------------- * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**graphing results from multilevel model [Was: Re: st: Thread-index: AQHNYz]***From:*Maarten Buis <maartenlbuis@gmail.com>

**Re: graphing results from multilevel model [Was: Re: st: Thread-index: AQHNYz]***From:*Brendan Churchill <Brendan.Churchill@utas.edu.au>

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