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st: RE: RE: yscale/range to plot


From   Nita Forouhi <nf250@medschl.cam.ac.uk>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: yscale/range to plot
Date   Mon, 7 Mar 2005 13:01:24 -0000

Many thanks, Nick - that works very well.

yes, the K-M curves were all above 0.8



PS - no one has yet replied to my age-adjust or age-standardise query for
incidence rates. I am sorry i posted the question twice - it was because i
was presenting it in two different ways, to explain it better the second
time
If you or anyone else has an idea of how to do that, i would be very
grateful. I have been stuck with that query for a little while now. If
anyone wants the query re-sent pls let me know, and i can send it to just
the one person, rather than whole group.

Many thanks

Nita

-----Original Message-----
From: Nick Cox [mailto:n.j.cox@durham.ac.uk]
Sent: 07 March 2005 12:46
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: yscale/range to plot


Sometimes you have to force the labels 
as well. That is, -ysc()- is perhaps being ignored
because the default axis labelling contradicts 
it. 

So try adding 

yla(0.8(0.05)1) 

to your command. 

Presumably your Kaplan-Meier curves are all above 0.8. 

Nick 
n.j.cox@durham.ac.uk 

Nita Forouhi
 
> 
> Would anyone know how to re-set the y axis on a Kaplan Meir 
> curve, so the
> survival probability starts at say 0.8 instead of at 0?
> 
> I tried the command (below) but nothing visibly happened that 
> was different
> - ie the graph for sts graph, by(xvar) looked the same, ie 
> started at 0 for
> y axis, as when i tried the yscale and range commands as below
> 
> sts graph, by(xvar) ysc(r(0.8 1.0))
> 
> (and when i tried it in a standard y vs x twoway scatter 
> graph, nothing
> happened to the y-scale either - eg
> twoway scatter y x, ysc(r(15 50)) where y might be something 
> like BMI say,
> and I only wanted to plot BMI on y axis from 15 to 50 say)

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