Ratio of Cases to Regression Variables

Posted by zstatman on Mar 07, 2007; 4:14pm
URL: http://spssx-discussion.165.s1.nabble.com/Ratio-of-Cases-to-Regression-Variables-tp1074357.html

I know this has come up but can't find the reference or consensus statement:

There is a "generally accepted" ratio of cases to the number of IVs in a
regression, I believe it was something like 30 to 1 but not sure.

Anyone recall or can offer insight.

Tks,
W