Re: st: RE: RE: Putting a rug underneath a boxplot

[Oliver Jones <ojones@wiwi.uni-bielefeld.de>]

Hello,
the topic is some month old, but today I had a look at the box and rug plots I created
using the stripplot command.
To create the rug, I followed the advice and generated a string variable containing the
symbol "|".

Here is an example of what I do:

************************* begin example *************************
graph drop _all
sysuse auto, clear

* Create ancillary variables
	gen y = 1
	gen y_foreign = y
	label variable y_foreign "Foreign"
	gen y_not = y - 0.05
	label variable y_not "Not Foreign"
	gen y_miss = y - 0.1
	label variable y_miss "NA"

	gen byte index_region = 1 if foreign == 1
	replace index_region = 2 if index_region == .
	replace index_region = 3 if foreign == .
	label define lbl_index_region 1 "Foreign" 2 "Not Foreign" 3 "Missing"
	label values index_region lbl_index_region

	gen pipe = "|"
*

local boxoffset = 0.1
stripplot price, over(y) ///
	title("My Box- and Rug-Plot") ///
	legend(order(6 7 8) cols(1) on) ///
	box(barwidth(0.1)) iqr boffset(`boxoffset') ///
	ms(none) ///
	addplot(scatter y_foreign price if index_region == 1, ///
			ms(none) mla(pipe) mlabcolor(blue) mlabpos(0) || ///
	        scatter y_not price if index_region == 2, ///
	        	ms(none) mla(pipe) mlabcolor(red) mlabpos(0) || ///
	        scatter y_miss price if index_region == 3, ///
	        	ms(X) mcolor(black) ///
	        ) ///
	yscale(off) ylab(1(0.1)1.15, nogrid)

************************* end example *************************


The problem is the legend, I need the red and blue pipe symbol as legend key-symbols.
Is there a way I can tell Stata to use such symbols?

Any hint is appreciated.
Best
Oliver
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