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Re: st: RE: RE: Putting a rug underneath a boxplot
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: RE: RE: Putting a rug underneath a boxplot
Date
Wed, 23 Mar 2011 12:16:26 +0000
Note also
. graph7 price, by(foreign) oneway box
Nick
On Wed, Mar 23, 2011 at 11:16 AM, Nick Cox <[email protected]> wrote:
> First, please remember to specify where user-commands you refer to
> come from. In this case -stripplot- is from SSC. (Otherwise anyone who
> does not know that could try repeating your example and would get
> puzzling error messages.)
>
> This question in essence repeats one raised by Jannik Helweg-Larsen in
> the thread starting with
>
> http://www.stata.com/statalist/archive/2011-03/msg00240.html
>
> The problem is that with -ms(none)- the corresponding legend entry is blank.
>
> The work-around in Jannik's thread was to use a thin -rbar-. The
> legend entry is much longer than you want, but you can fix it in the
> Graph Editor.
>
> Here is example code for your example problem:
>
> 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 price2 = price + 10
>
> *
>
> 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(rbar price price2 y_foreign if index_region == 1, ///
> horizontal barw(0.02) bcolor(blue) || ///
> rbar price price2 y_not if index_region == 2, ///
> horizontal barw(0.02) bcolor(red) || ///
> scatter y_miss price if index_region == 3, ///
> ms(X) mcolor(black) ///
> ) ///
> yscale(off) ylab(1(0.1)1.15, nogrid)
>
> On Wed, Mar 23, 2011 at 10:56 AM, Oliver Jones
> <[email protected]> wrote:
>
>> 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?
>
*
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