Re: [R] function in argument

From: array chip <arrayprofile_at_yahoo.com>
Date: Fri, 01 Apr 2011 15:06:53 -0700 (PDT)

OK, I figured it out, need to add stats::: before dist

foo<-function (x,

    xfun = stats:::dist)
{

xfun(x)
}

John


To: r-help_at_r-project.org
Sent: Fri, April 1, 2011 2:56:06 PM
Subject: [R] function in argument

Hi, I tried to pass the function dist() as an argument, but got an error message. However, almost the same code with mean() as the function to be passed,

it works ok.

foo<-function (x,

    xfun = dist)
{

xfun(x)
}

foo(matrix(1:100,nrow=5))
Error in foo(matrix(1:100, nrow = 5)) : could not find function "xfun"

foo<-function (x,

     xfun = mean)
{

  xfun(x)
}

foo(1:10)
[1] 5.5

what am I missing here?

Thanks

John

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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. Received on Fri 01 Apr 2011 - 22:14:15 GMT

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