Hi Rui,
Thanks for the message. i used dismo package. 
I changed the argument as you suggested, still did not work.

Error in UseMethod("predict") : 
  no applicable method for 'predict' applied to an object of class "data.frame"

Thanks
KG

> Date: Wed, 4 Sep 2013 14:57:45 +0100
> From: ruipbarradas@sapo.pt
> To: kristi.glover@hotmail.com
> CC: r-help@r-project.org
> Subject: Re: [R] would you give me hints in r?
> 
> Hello,
> 
> Where does the function bioclim come from? What package? If it's from 
> package dismo, then you should try predict() with the arguments reversed:
> 
> pred <- predict(mod, ex)
> 
> 
> Hope this helps,
> 
> Rui Barradas
> 
> Em 04-09-2013 13:48, Kristi Glover escreveu:
> > Dear R User,
> > Would you give me some hints on why I could not predict using data. format' data.
> > Here is the example:
> >
> > ex<-structure(list(env1 = c(182, 163.33, 443.02, 1240.16), env2 = c(1134,
> > 550, 2111, 2523), env3 = c(24.53, 24.93, 24.71, 21.05), env4 = c(0.05,
> > 0, 0, 0)), .Names = c("env1", "env2", "env3", "env4"), row.names = c(NA,
> > -4L), class = "data.frame")
> >
> > mod<-bioclim(ex)
> > pred<-predict(ex,mod)
> >
> > Error in UseMethod("predict") :
> >    no applicable method for 'predict' applied to an object of class "data.frame"
> >
> > Thanks for your help
> > KG
> >
> >   		 	   		
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> >
> > ______________________________________________
> > 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.
> >
 		 	   		  
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