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st: RE: RE: change ROC Curve default


From   "Sheri Stevens" <[email protected]>
To   <[email protected]>
Subject   st: RE: RE: change ROC Curve default
Date   Mon, 15 Mar 2010 19:47:29 -0400

Dear Martin, thank you, the classification table information is very
helpful!!  I was hoping to change the default cut point of the ROC Curve,
which I was told is .5. I did check out the help menu but couldn't find an
option that would do that.
Sheri

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Martin Weiss
Sent: Monday, March 15, 2010 7:20 PM
To: [email protected]
Subject: st: RE: change ROC Curve default


<>

Which "default .5" are you referring to? The help file -help
logistic_postestimation- shows you all available options. Maybe you want the
classification table where you can indeed change the cutoff?



*************
sysuse auto, clear
logit foreign length weight
estat clas, cut(.8)
estat clas, cut(.2)
*************


HTH
Martin

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Sheri Stevens
Sent: Montag, 15. März 2010 22:51
To: [email protected]
Subject: st: change ROC Curve default

When generating a ROC Curve in logistic regression post estimation I would
like to be able to change the default of .5 and was wondering if there is an
option in Stata to do that.  Any help would be most appreciated!
The command I am using is: 
lroc

Thank you,

Sharon Stevens, LMSW
Community and Public Service Program
Social Sciences 112
SUNY Albany
1400 Washington Ave.
Albany, NY 12222
518.442.5683     fax 518.442.5684



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