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st: RE: jackknife and myprogram


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: jackknife and myprogram
Date   Thu, 19 Nov 2009 18:58:07 +0100

<>

If anything, the -if- qualifier will reduce even further the observations
available for your -jackknife-...

Is -version 1- really intentional? This time machine takes you way back to
the days of the cold war....

Re programming, look at Kit`s http://www.stata-press.com/books/isp.html



HTH
Martin


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Jose Sanchez Z.
Sent: Donnerstag, 19. November 2009 18:42
To: statalist@hsphsun2.harvard.edu
Subject: st: jackknife and myprogram

Dear Statalist,

I am trying to join jackknife with myprogram  but this error appears:

****
. jackknife nloss=r(sum), nodots saving(mgloss_t , replace): genloss pi_t
corr_t
insufficient observations to compute jackknife standard errors
no results will be saved
r(2000);
*****
i think the problem is that "myprogram" do not allow the
if qualifier, and I don't know how to include the if qualifier in myprogram.

I hope you can help me..... 

Thanks,


****Myprogram 
***************
program genloss
		version 1
		args pd cor
		*pd , cor, are variables
		local sis=invnormal(uniform())
		gen id=invnormal(uniform())
		gen aleat=`sis'*(`cor')^2 + id*(1-`cor')^2
		gen d=0
		replace d=1 if aleat <invnormal(`pd')
		gen loss=d*edi_dol*pdi_avanzado
		qui: summ loss, det
		drop id aleat d loss
end

jackknife nloss=r(sum), nodots saving(mgloss_t , replace): genloss pi_t
corr_t

**************************


José Carlos Sánchez Zapata
Risk Methodological Service 
Banco de Crédito BCP- Peru



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