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st: RE: Bad dotplot command?
A -dotplot- to Stata is really just a special kind of scatter plot.
The trickery within -dotplot- is to map the values of one or more
variables to the coordinates needed to produce this scatter plot.
When you ask for a -dotplot- of two or more variables, rather more
is involved than with just one. In the temporary restructuring of
your dataset that's required, not everything that might be needed
for a plot is carried over. In particular, marker
labels are, as a side-effect, not supported. I imagine that programming
that was just a complication too far as far the programmer was
concerned, but that it was decided to trap such requests. Most people
who produce dotplots just use plain symbols, I imagine.
I just checked with the unofficial -onewayplot-, which offers a
similar display, and found that in effect I made a similar decision,
although it is not trapped at source.
In short, I surmise that your request is reasonable but at present just
not supported by -dotplot-.
> I've been using dotplots as an exploratory tool for a while now, and
> suddenly I'm getting an error message where I previously have
> never had a
> . dotplot mdint_bioc mdint_bioc_s median948 if mch==10 &
> 1,2,5,6,7,8), center msymbol(none) mlabel(mlbl) mlabsize(tiny)
> which gives me r(198); option mlabel() not allowed
> mlbl is a short string variable containing grouping information
> Am I doing something boneheaded? I even tried using the
> dotplot dialog to
> construct the syntax with the same result.
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