Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

st: proceeding beyond roctab 2000 error msg


From   "Tonya Cropper" <tonya_cropper@ksgphd.harvard.edu>
To   "Statalist" <statalist-digest@hsphsun2.harvard.edu>
Subject   st: proceeding beyond roctab 2000 error msg
Date   Mon, 31 May 2004 19:44:21 -0400

Dear Statlisters,

I am using the  roctab command (Receiver Operating Characteristic (ROC)
analysis) and I get a
"outcome does not vary   r(2000) " error message.

I understand why I get the message.  I am performing the roctab command in a
three tier loop that includes various if statement conditions based on
different values of other variables.  I append observations to a file of
each resulting  std error and area.  To isolate and remove the
variables/conditions will cause me to forgo the loop and perform dozens of
roctab commands individually.  I would like to know is there any possible
way to proceed beyond the error message when the outcome does not vary?

Thank you,

Tonya

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index