[R] "object not found"

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From: Boryeu Mao (B.Mao@cerep.com)
Date: Thu 28 Mar 2002 - 06:19:51 EST 

Message-id: <0957E70F25F7D111974B00A0C9833064AF888F@mayo.cerep.com>

I am not understanding the functions in R:

The following statements work OK if they are invoked in R:

  reg<-polr(act~.,data=mm)
  print(summary(reg))

But if they are enclosed in a function, then calling that function results
in the message:

  Error in eval(expr, envir, enclos) : Object "mm" not found

and no summary is printed for reg. Are there other, more proper, ways to do
these? Where in R's documentation should I be looking?

Thanks for any help/hints.
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