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Re: st: Estimating the hazard function


From   "Yusvita Triwiadhian S." <07.5544@stis.ac.id>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Estimating the hazard function
Date   Sun, 11 Sep 2011 15:54:29 +0700

Mr. brendan, I have a problem like you. I also want to know the h(t)
estimated at each time point. but I still don't know how to get it.

On Sun, Sep 11, 2011 at 7:04 AM, Brendan Corcoran
<brendanjohncorcoran@gmail.com> wrote:
> Thanks Steven.
>
> How do I actually incorporate the hazard contributions into -kdensity-?
>
> The analysis time variable is _t, and I've generated the hazard
> contributions through running -sts gen H=h-
>
> Just unsure how to apply -kdensity- to _t while also using the hazard
> contributions -H- to weight it somehow.
>
>
> On Sat, Sep 10, 2011 at 10:26 PM, Steven Samuels <sjsamuels@gmail.com> wrote:
>>
>> You can use -kdensity- to estimate the hazard function and, as in -stcurve-,  set the smoothing options yourself. The difference is that -kdensity- has an option to generate the smoothed estimates.
>>
>> Steve
>> On Sep 1
>>
>> 0, 2011, at 3:10 PM, Brendan Corcoran wrote:
>>
>> I want to get a hold of the data produced by -sts graph, hazard-  i.e.
>> the h(t) estimated at each time point.  This is so I can produce
>> hazard graphs in other applications.
>>
>> I understand that -sts gen dh=h- produces the estimated hazard
>> component deltaH_j = H(t_j) - H(t_(j-1)), and that to calculate h(t)
>> -sts graph, hazard- calculates a weighted kernel-density estimate
>> using deltaH_j.
>>
>> But how could I get the actual h(t) values calculated here, or as a
>> second option how could I run the weighted kernel-density estimate
>> myself?
>>
>>
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>>
>
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