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st: RE: visualizing stpiece models with graph dot?


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: visualizing stpiece models with graph dot?
Date   Thu, 11 Sep 2008 17:55:29 +0100

-graph dot- is not the only option here. You could use -twoway dot-.
There is much discussion of this approach in Stata Journal 8(2):269--289
(2008). 

Either way, you need to enter your covariate names and hazard ratios as
new variables. 

How to sort is up to you. 

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

SCHNELL Philipp

I did a piecewise constant exponential model (with 7 covariates) and 
would like to visualize the results! Is it possible to use the
graph dot command to plot the hazard ratio of covariates (in a 
particular order - from high to low!)? If so, how do I do that?

It should look like this:

                        covariate6  |...........o....
                        covariate1  |.........o......
                        covariate3  |.......o........
                                    +----------------
                                    hazard ratio


the command to plot should be:

graph dot numerical variable , over(categorical variable 
[,sort((stat)varname)])

but my problems are:
a) how to introduce my covariates instead of a categorical var?
b) how to sort?


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