Dear statalist readers,
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
How could this be implemented by Stata 8?
Thank you in advance!
Shqiponja
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