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Re: st: RES: RE: Connecting Data Points with Lines
From
Jielu Lin <[email protected]>
To
[email protected]
Subject
Re: st: RES: RE: Connecting Data Points with Lines
Date
Fri, 30 Apr 2010 17:40:54 -0400
Nick Cox advised me to use xtline and I just tried both xtline and
linkplot. Both can solve my problem. Thank you very much!
2010/4/30 José Maria Pacheco de Souza <[email protected]>:
> <>
> Try also -linkplot- writen by Nick Cox.
> -findit linkplot- to find and then install.
> José maria
>
>
> José Maria Pacheco de Souza ; Professor Titular, aposentado; Colaborador
> Sênior
> Departamento de Epidemiologia/Faculdade de Saúde Pública/Universidade de São
> Paulo
> Av. Dr. Arnaldo, 715 - São Paulo, Capital - cep 01246-904
> Fone FSP= (11)3061-7747 Res= (11)3714-2403
> www.fsp.usp.br/~jmpsouza
>
> -----Mensagem original-----
> De: [email protected]
> [mailto:[email protected]] Em nome de Nick Cox
>
> See if
>
> sort id age
>
> before the graph command solves the problem. Note that if your estimated
> trajectories are not monotone increasing for every individual, then the
> request is contradictory.
>
> See also -xtline-.
>
> Nick
> [email protected]
>
> Jielu Lin
>
> I'm modeling age-graded trajectories. Each individual case in my data
> has 4 repeated observations. Then I tried to graph estimated
> individual trajectories. Each individual should have a separate
> trajectory which is not connected to another individual trajectory. In
> the actual graph, within a person, the 4 estimated data points were
> correctly connected. However, some trajectories were connected even
> though these observations did not belong to the same person. This
> happened to some cases, but not all of them. I've been for patterns of
> these odd connections but so far it seems random.
>
> I used the following codes:
>
> xtmixed y age ||id: age, mle cov(un)
> predict y_fitted, fitted
> twoway line y_fitted age, connect(ascending)
>
>
>
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>
*
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