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Re: st: Graphics question


From   Swati Tyagi <styagi15@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Graphics question
Date   Thu, 22 May 2008 06:11:02 -0700 (PDT)

Dear Austin,
Thanks for the help.
Have not used pctile command till now. Will definitely try it out.
Thanks.
Best regards,
Swati Misra.

----- Original Message ----
From: Austin Nichols <austinnichols@gmail.com>
To: statalist@hsphsun2.harvard.edu
Sent: Wednesday, May 21, 2008 5:33:32 PM
Subject: Re: st: Graphics question

Swati Tyagi <styagi15@yahoo.com>:
It's not totally clear to me what you want, but try:

webuse nhanes2, clear
_pctile wei, nq(200)
loc p025=r(r5)
loc p975=r(r195)
sc hei wei, xli(`p025') xli(`p975')

On Wed, May 21, 2008 at 6:22 PM, Swati Tyagi <styagi15@yahoo.com> wrote:
> Dear Statalist Users,
> I had a question on 2 way scatter plots.
> I have data on cost and screening status of patients from a RCT on colon cancer screening promotion.
> I have a dataset of 1000 bootstrapped replicates and  have constructed a 2 way scatterplot with "cost" variable on y-axis and "effect" data on x-axis and wish to label the 25th and 975th readings of the x-axis variable with  values on the scatterplot.
> I can first use "sort" command for that specific variable to give me ranks . Now I need to tell STATA to identify 24th and 975th readings from these 1000 readings and generate a new variable and later incorporate it in the graph.
> My question is what commands do I use. I assume to use "If and In" commands but can't figure out how to do it.
> Please help me out if possible.
> Thanks,
> Swati Misra.
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