Date:         Tue, 23 Nov 1999 01:47:06 -0330
Reply-To:     "P. Honarvar" <sdm@NFLD.COM>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         "P. Honarvar" <sdm@NFLD.COM>
Subject:      logistic regression R^2
Content-Type: text/plain; charset=ISO-8859-1

Hello SPSSers

I have two questions about logistic regression (spss v8):

1) What information is provided by the Cox&Snell and Nagelkerke R^2 in the
logistic regression output?

2) How is the Hosmer-Lemeshow statistic affected by sample size?  I've
noticed that if I 'randomly' reduce the number of samples (e.g. from 500 to
150) the test significance increases without significantly changing other
results.

TIA
Pauline