It is easiest to this in -regress-. Notice that -anova- is just a weird
way of doing -regress- (though some disciplines would say that
-regress- is a weird way of doing an -anova-). Also, I would not limit
the analysis to linear and quadratic terms. I find the restricted cubic
splines created with -mkspline- in Stata 10 quite useful.
-- Maarten
--- Shelly Mahon <[email protected]> wrote:
> Hi there,
> I am conducting a study using the National AddHealth data set. After
> running factorial anovas, it is clear that I need to follow up with a
> trend analysis. I figured out how to run graphs, but does anyone
> have information on running the statistical tests for trends. The
> study has four continuous outcome variables, plus sex, age, and grade
> level with one categorical independent variable. Any help is much
> appreciated.
> Shelly
>
> Shelly Mahon
> Ph.D. Candidate
> University of Wisconsin-Madison
> Human Development and Family Studies
> 1430 Linden Drive
> Madison, WI 53706-1575
> email: [email protected]
>
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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*
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* http://www.ats.ucla.edu/stat/stata/
