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st: RE: Re: xtline: options for line color


From   "alison.drake" <adrake2@u.washington.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: RE: Re: xtline: options for line color
Date   Thu, 22 Jul 2010 14:12:06 -0700 (PDT)

Thanks so much this worked!

 

From: Scott Merryman [via Statalist] [mailto:ml-node+5323657-1983656536-608019@n2.nabble.com] 
Sent: Wednesday, July 21, 2010 6:33 PM
To: alison.drake
Subject: RE: Re: xtline: options for line color

 

Something like this: 

clear 
set obs 150 
gen id = _n 
expand 30 
bys id: gen t = _n 
gen group = (id<=75) 
gen x = rnormal() if gr == 0 
replace x = rnormal(4,1) if gr == 1 
forv i = 1/150 { 
        if `i' < 76 { 
                local plotline1  "`plotline1' line x t if id == `i', lc(black)  || " 
        } 
        else { 
                local plotline2  "`plotline2' line x t if id == `i', lc(blue) || " 
        } 
} 
 twoway `plotline1' `plotline2' , legend(order(1 "Group 1" 76 "Group 2")) 


Scott 


On Wed, Jul 21, 2010 at 4:15 PM, Martin Weiss <[hidden email]> wrote: 


> 
> <> 
> 
> You could also build this from scratch as a -twoway line-, I think, using 
> Scott`s techniques... 
> 
> 
> HTH 
> Martin 
> 
> 
> -----Original Message----- 
> From: [hidden email] 
> [mailto:[hidden email]] On Behalf Of alison.drake 
> Sent: Mittwoch, 21. Juli 2010 22:59 
> To: [hidden email] 
> Subject: st: Re: xtline: options for line color 
> 
> I tried the plotline option (suggested by Scott) but I got an error saying 
> "too many options".  I think because I have 150 ID's, so I would have to 
> individually overlay 150 plots.  This doesn't seem to be a problem with just 
> the xtline command with an overlay option, but is with the plot() option. 
> 
> The individual plot() commands are cumbersome since I have so many groups, 
> and I think I might have the "too many options" problem I encountered with 
> the loop. 
> 
> I have also been digging deeper into the archives and tried to use the 
> linkplot, but can't find a way to get separate colors for different groups. 
> Below please find a subset of my data below for additional reference: 
> 
> Essentially, I want every id to have it's own line graphed, but the color 
> should vary based on the group variable (all group 0 are blue, group 1=red, 
> for example).  The visit is my time variable and vl is my yvariable.  As you 
> can see, the data is set up in long format, but I also have it in wide. 
> 
> Any other suggestions on how to do this? 
> Thanks, 
> Alison 
> 
> group   visit   vl           id 
> 0       0       5.221649        1 
> 0       1       4.686413        1 
> 1       0       5.174583        2 
> 1       1       4.065019        2 
> 1       0       2.720159        3 
> 1       1       2.09691 3 
> 1       0       4.345472        4 
> 1       1       3.639984        4 
> 1       0       4.234644        5 
> 1       1       3.279895        5 
> 1       0       2.09691 7 
> 1       1       2.09691 7 
> 1       0       3.385606        8 
> 1       1       3.557507        8 
> 1       0       4.165541        9 
> 1       1       4.279781        9 
> 1       0       3.987666        10 
> 1       1       3.469085        10 
> 1       0       4.307924        11 
> 1       1       3.472756        11 
> 0       0       5.521073        14 
> 0       1       4.902003        14 
> 
> 
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