I was surprised that with only one scale var the fit should be fairly straightforward…but the var00003 vs logit does not look so linear and that should indicate perhaps a 2nd degree or another transformation be used or a discontinuous function.
This is a reverse problem: from solution we should guess data and analysis needed!
Max.
From: Bruce Weaver [via SPSSX Discussion] [mailto:[hidden email]]
Sent: Friday, November 11, 2011 12:38
To: MaxJasper
Subject: RE: LOGIT - Logit Transformed Responses CALCULATION
Max, you seem to be suggesting it is incorrect, or at least inappropriate to have a logit model with only one continuous (or scaled) explanatory variable? Why is that? I don't see a problem, provided the relationship is linear in the logit scale.
Cheers,
Bruce
MaxJasper wrote:
It appears that you only have a single scale variable and trying to fit a
logit model?!!! Is there any categorical var? any freq (weight) var? Can you
specify the data and then required stat you need?
Max.
From: ruegdeg [via SPSSX Discussion]
[mailto:[hidden email]]
Sent: Friday, November 11, 2011 3:31
To: MaxJasper
Subject: LOGIT - Logit Transformed Responses CALCULATION
Dear all,
i perform LOGIT regression in PASW software and Im wondering about the
results. This table <http://www.scandinavia.sk/data/spss/table1.jpg> shows
the probabilities that were calculated from inputs. In this table
<http://www.scandinavia.sk/data/spss/table2.jpg> are related estimates.
This picture <http://www.scandinavia.sk/data/spss/picture1.jpg> shows the
Logit Transformed Responses graph. But i have no idea how to calculate
values showed in this picture and why there are less points like probability
value. I really appreciate any help.
Kind regards,
R.
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