R help - Jul 2009 - datadist() in Design library

Hi I got an error message using datadist() from Design package:
> library(Design,T)
> dd <- datadist(beta.final)          
> options(datadist="dd") 
> lrm(Disease ~ gsct+apcct+rarct, x=TRUE, y=TRUE)
Error in eval(expr, envir, enclos) : object "Disease" not found

All variables inclduing response variable "Disease" are in the data
frame "beta.final", why then "Disease" can not be found? I
thought with datadist(), all variables are presented to the model fitting
functions. maybe I am wrong?

thanks

John

Dear John,
Have you tried it specifying the 'data' argument as suggested in lrm
help?

Try this:

 lrm(Disease ~ gsct + apcct + rarct,  data = beta.final, x = TRUE,  y = TRUE
)

HTH,

Jorge


On Thu, Jul 9, 2009 at 6:46 PM, array chip <arrayprofile@yahoo.com> wrote:
>
> Hi I got an error message using datadist() from Design package:
>
> > library(Design,T)
> > dd <- datadist(beta.final)
> > options(datadist="dd")
> > lrm(Disease ~ gsct+apcct+rarct, x=TRUE, y=TRUE)
> Error in eval(expr, envir, enclos) : object "Disease" not found
>
> All variables inclduing response variable "Disease" are in the
data frame
> "beta.final", why then "Disease" can not be found? I
thought with
> datadist(), all variables are presented to the model fitting functions.
> maybe I am wrong?
>
> thanks
>
> John
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
	[[alternative HTML version deleted]]

Dear Jorge, Yes, with "data=beta.final" in the lrm(), it worked. But I
thought one of the reasons for datadist() is to make it unnecessary to specify
the data frame in the lrm(). Maybe I am completely wrong here.

Thanks

John

--- On Thu, 7/9/09, Jorge Ivan Velez <jorgeivanvelez at gmail.com> wrote:
> From: Jorge Ivan Velez <jorgeivanvelez at gmail.com>
> Subject: Re: [R] datadist() in Design library
> To: "array chip" <arrayprofile at yahoo.com>
> Cc: "R mailing list" <r-help at r-project.org>
> Date: Thursday, July 9, 2009, 6:55 PM
> Dear John,
> Have you tried it specifying the 'data'
> argument as suggested in lrm help?
> Try this:
> ?lrm(Disease ~ gsct +
> apcct + rarct,??data =?beta.final,?x
> = TRUE, ?y = TRUE)
> 
> 
> HTH,
> Jorge
> 
> On Thu, Jul 9, 2009 at 6:46 PM,
> array chip <arrayprofile at yahoo.com>
> wrote:
> 
> 
> 
> 
> Hi I got an error message using datadist() from Design
> package:
> 
> 
> 
> > library(Design,T)
> 
> > dd <- datadist(beta.final)
> 
> > options(datadist="dd")
> 
> > lrm(Disease ~ gsct+apcct+rarct, x=TRUE, y=TRUE)
> 
> Error in eval(expr, envir, enclos) : object
> "Disease" not found
> 
> 
> 
> All variables inclduing response variable
> "Disease" are in the data frame
> "beta.final", why then "Disease" can not
> be found? I thought with datadist(), all variables are
> presented to the model fitting functions. maybe I am wrong?
> 
> 
> 
> 
> 
> thanks
> 
> 
> 
> John
> 
> 
> 
> ______________________________________________
> 
> R-help at r-project.org
> mailing list
> 
> https://stat.ethz.ch/mailman/listinfo/r-help
> 
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> 
> and provide commented, minimal, self-contained,
> reproducible code.
> 
> 
> 
>