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Re: st: Suppression of scatterpoints and upscaling of fracplots


From   Phil Clayton <[email protected]>
To   [email protected]
Subject   Re: st: Suppression of scatterpoints and upscaling of fracplots
Date   Sat, 9 Mar 2013 10:57:09 +1100

Alternatively you can use -fracpred- and draw the graph yourself:

----------------------------------
sysuse auto, clear
fracpoly: regress price mpg weight

fracpred pred, for(mpg)
fracpred se, for(mpg) stdp
gen ub=pred + invnormal(0.975)*se
gen lb=pred - invnormal(0.975)*se

twoway rarea ub lb mpg, sort pstyle(ci) || line pred mpg, sort
----------------------------------

Phil

On 09/03/2013, at 8:31 AM, Scott Merryman <[email protected]> wrote:

> You could edit out the -scatter- command (line numbers 113 to 122),
> change the program define statement  and save the file as
> fracplot2.ado
> 
> Scott
> 
> On Fri, Mar 8, 2013 at 11:09 AM, Alexander Liddle
> <[email protected]> wrote:
>> Dear All,
>> 
>> I'm afraid it's another Stata graphics question - this may all be very simple but I would appreciate any advice you might have.
>> 
>> I am doing a survival study and the effect of my predictor on the survival hazard is non-linear. As a result, I'm looking at fractional polynomials using fracpoly and plotting them using fracplot:
>> 
>> fracpoly: stcox var1 var2 var3
>> fracplot
>> 
>> This gives me a nice fractional polynomial with scatters above and below it. I am particularly interested in the curve itself, and so suppress the markers by doing:
>> 
>> fracplot, msymbol(i)
>> 
>> Obviously this just removes the markers but the scatters are still there 'in spirit' and can be made visible using graph editor. What I would like to do is suppress them entirely and so allow the axes to shorten to just include the fractional polynomial curve - giving a similar appearance to the twoway graph fpfitci.
>> 
>> Does anyone have any ideas?
>> 
>> Thank you,
>> 
>> Alex Liddle
>> 
>> 
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