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st: AW: Re: when fuzzy (QCA) does not converge


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: AW: Re: when fuzzy (QCA) does not converge
Date   Wed, 12 May 2010 15:57:40 +0200

<> 

" Anyone can help? Thanks and sorry if it is not clear."


Make it clearer by providing your code/what you typed in the run-up to the error. And/or -set trace on- and report the area around the error.



HTH
Martin

-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Andrea Ordanini
Gesendet: Mittwoch, 12. Mai 2010 15:52
An: statalist@hsphsun2.harvard.edu
Betreff: st: Re: when fuzzy (QCA) does not converge

Hello, 
I wish to test the sensitivity of Fuzzy (QCA) (Longest and Vaisey, Stata Journal 2009) to specific cases in a sample, i.e., what happens to the reduced sets when one or more cases are randomly taken out from the sample (i.e., something similar to Jacknife or Leave-one-out). 

I wrote a command loop but each time Fuzzy is not capable to reduce the solution, it provides an error message and the program stops.I tried to use the capture/drop command, in order to tell the program to ignore error messages, but they seem not to apply when a program fails. 

Anyone can help? Thanks and sorry if it is not clear. 

---- 

Andrea Ordanini 
Associate Professor 
Management Department 
Bocconi University 
Via Rontgen, 1 
20136 - Milano (Italy) 
+39 0258363623 

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