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Re: st: how do I get the knot values and show them (as xlab?) in the graph, using rcspline?


From   "jmpsouza" <jmpsouza@usp.br>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: how do I get the knot values and show them (as xlab?) in the graph, using rcspline?
Date   Mon, 4 May 2009 12:12:43 -0300

dear Maarten:
thank you. I did use the -showknots- option. In the graph I got the vertical lines in the _positions_ of the knots but not their values in the x axis.
José Maria

Jose Maria Pacheco de Souza, Professor Titular (aposentado)
Departamento de Epidemiologia/Faculdade de Saude Publica, USP
Av. Dr. Arnaldo, 715
01246-904  -  S. Paulo/SP - Brasil
fones (11)3061-7747; (11)3768-8612
fax (11)3714-2403
www.fsp.usp.br/~jmpsouza
----- Original Message ----- From: "Maarten buis" <maartenbuis@yahoo.co.uk>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, May 04, 2009 10:13 AM
Subject: Re: st: how do I get the knot values and show them (as xlab?) in the graph, using rcspline?



--- On Mon, 4/5/09, jmpsouza wrote:
I am not able to get explicitly the knot values and to put
them in the x axis when using rcspline (a .ado written by
Nick Cox). For example -rcspline rihoma nd3peso, stub(stub)
gen(new) sh- gives a nice graph, but does not allow me
to know and to plot the knots.

You can specify the -showknots- option. Quoting from the
helpfile of -rcspline:
"-showknots- specifies that the positions of the knots be
shown on the graph by vertical lines."

-- Maarten

-----------------------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://home.fsw.vu.nl/m.buis/
-----------------------------------------




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