s smarter about that in pre-2.4.0.)
Med venlig hilsen
Frede Aakmann Tøgersen
-Oprindelig meddelelse-
Fra: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] På vegne af Li, Jia
Sendt: 15. juni 2006 17:45
Til: Hong Ooi; r-help@stat.math.ethz.ch
Emne: Re: [R] A question about stepwise pr
ailto:[EMAIL PROTECTED] På vegne af Li, Jia
> Sendt: 15. juni 2006 17:45
> Til: Hong Ooi; r-help@stat.math.ethz.ch
> Emne: Re: [R] A question about stepwise procedures: step function
>
> Sorry, I still cannot find what's wrong with it. And it seems
> that nothing is wrong with
: cannot coerce class "function"
into a data.frame
_
From: Hong Ooi [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 15, 2006 10:53 AM
To: Li, Jia
Subject: RE: [R] A question about stepwise procedures: step function
Note: This e-mail is subject to the disclaimer contained at the
Hi,
Step works for a Cox model. And I got the same error massage using
stepAIC.
Jia
_
From: Ritwik Sinha [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 15, 2006 12:12 AM
To: Li, Jia
Subject: Re: [R] A question about stepwise procedures: step function
Hi,
The step documentation
Dear all,
I tried to use "step" function to do model selection, but I got an error
massage. What I don't understand is that data as data.frame worked well for my
other programs, how come I cannot make it run this time. Could you please tell
me how I can fix it?
**
