Re: st: RE: Scatterplot matrix

[Richard Goldstein <richgold@ix.netcom.com>]

in addition to Nick's comments on graph in version 8,
I think a reminder that one can always use the
version 7 syntax by starting with the command -gr7-
is important.  This is especially true if you are
in an analytic mode (rather than looking for a
publication quality graph) since gr7 is MUCH faster
than the version 8 graphs.

Rich

Nick Cox wrote:

> . graph matrix ... 
> Actually, there's a wrinkle here
> which I think is worth spelling out. 
> Presuming that your response variable 
> is y and the others are covariates, the 
> command 
> . graph matrix x1 x2 x3 x4 y 
> ensures that the bottom line of graphs 
> all have y as vertical axis variable 
> and the various x* as horizontal axis
> variables. You may agree with me in 
> preferring this arrangement to that 
> produced by 
> . graph matrix y x1 x2 x3 x4 
> So mention the response _last_ 
> (clearly, the opposite of what you must
> do with e.g. -regress-). 
> When you are unsure of command names, 
> . search graph matrix 
> (e.g.) will point towards them. 
> TELHAJ {Shqiponje|Shqiponja} 
>  
>
> > After a regress command with -robust- and -cluster- option I used a
> > Ramsey test (-ovtest, rhs) which suggested that there are higher order
> > trends, but omitted from the regression model.  I was trying to use a
> > scatterplot matrix to look at higher order trends.
> >
> > As I remember in Stata 7, the command for this was:
> >
> > Graph y x1 x2 x3 x4, matrix
>
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