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

From   Andrea Ordanini <>
Subject   st: Re: when fuzzy (QCA) does not converge
Date   Wed, 12 May 2010 15:52:20 +0200 (CEST)

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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