[R] function with xyplot

[John Kane]

You need to reference the data.frame or append it.  

myplot(DF$X) should work
or 
append(DF)
myplot(X)
--- Diego Gruber <diego.gruber at gmail.com> wrote:

> Hi,
> 
> I'm a new user trying to switch from SAS, so sorry
> for the beginner's
> question: Suppose I have a dataframe DF that
> contains variables X,Y,Z. I am
> trying to write a function like this:
> 
> myplot <- function(varname){xyplot(varname ~ Y,
> group = Z, data = DF)}.
> 
> The problem is then how to enter X into my function.
> If I write myplot("X")
> I get an error because the argument is a string and
> xyplot can make nothing
> out of it. If I write myplot(X) I also get an error
> that tells me the object
> X does not exist.
> 
> Thanks for your help,
> 
> Diego
> 
> 	[[alternative HTML version deleted]]
> 
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