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st: RE: Diagnostic Plot for distribution of variable z
There are various possibilities here. -skewplot-
from SSC is another. There was some discussion
in Stata Journal 4(1) 2004.
Real outliers show up almost regardless of which
form of plot you choose.
> I am trying to find a way to examine the distribution of
> variable z to see if
> it is negatively or positively skewed. I would like to know
> what would be the
> command for that. My main objective is to identify outliers
> in the data set.
> I already tried the command: symplot z (under diagnostic
> plots). But I am not
> sure if this is the correct one or not. In this plot, the x
> axis is labelled
> distance below median while the y axis is labeled distance
> above median.
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