Date:         Tue, 14 Apr 2009 10:53:08 -0400
Reply-To:     oloolo <dynamicpanel@YAHOO.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         oloolo <dynamicpanel@YAHOO.COM>
Subject:      Re: Low Event Rate Predictive Modeling

if it is not called modeling, what it should be called?
Pattern Recognition? Machine Learning?
hehe :)

On Sun, 12 Apr 2009 15:33:16 -0700, Kenneth M. Lin
<kenneth_m_lin@SBCGLOBAL.NET> wrote:

>It's called modeling?  Perhaps you could find some patterns as to when
these
>bad events occurred.  It's really help if you list all the variables you
>have captured.
>
><keqiang.hou@gmail.com> wrote in message
>news:9c3fce12-0e76-4b35-a230-51a8f75319fc@x3g2000yqa.googlegroups.com...
>> How is it possible to build a predictive model (either logistic, or
>> decision tree, or neural network) with more than millions of good
>> events while only about 300 bad events.
>> It sounds ridiculous, but we have to find a way.
>>
>> Anyone with experience in predictive modeling can answer my question?
>>
>>
>> Many thanks.