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Re: st: legends after sts graph and addplot


From   Nick Cox <[email protected]>
To   [email protected]
Subject   Re: st: legends after sts graph and addplot
Date   Sun, 6 Feb 2011 18:50:40 +0000

Should be

... exactly what you asked for ...

On Sun, Feb 6, 2011 at 5:34 PM, Nick Cox <[email protected]> wrote:
> Correct. You are getting  exacly you asked for. From Stata's point  of
> view, you are asking for -sts graph-; then adding something through
> -addplot()-; and then insisting that only two variables are explained
> in the legend. So in your code the -legend()- option is acting to
> overwrite whatever the -addplot()- would have added to the legend.
>
> Very likely your fix is to insert something like
>
> label(3 "something appropriate")
>
> in the -legend()- option.
>
> In terms of your last question, I think you need to save the -sts
> graph- results and plot them afresh in a new -twoway- graph.
>
> Nick
>
> On Sun, Feb 6, 2011 at 2:52 PM,  <[email protected]> wrote:
>
>> Stata seems to ignore legend options when addplot is used after sts graph
>>
>> The code:
>>
>> sts graph if hivstatus==1 & artavail==0, surv tmax(60) xlabel(0(5)60, valuelabel) xtitle(age) ///
>>        addplot(line weibsurv _t if _t<60, sort)        legend(label(1 "observed") label(2 "fitted"))
>>
>> produces exactly the same graph as
>>
>> sts graph if hivstatus==1 & artavail==0, surv tmax(60) xlabel(0(5)60, valuelabel) xtitle(age) ///
>>        addplot(line weibsurv _t if _t<60, sort)
>>
>> There are limits to what I can achieve using variable names for the added curves if I want to add more lines, such as confidence bounds on the fitted curve
>>
>> Also, is there any way to tell stata to plot the addplot lines BEFORE the sts graph, so that the observed kaplan-meier survival curve appears as the topmost graph?
>>
>

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