Re: [R] Passing function to tapply as a string

From: <Richard.Cotton_at_hsl.gov.uk>
Date: Fri, 07 Mar 2008 13:25:19 +0000


> Was wondering if it is possible to pass function name as a parameter
Yes. This isn't exactly what you wanted, but it demonstrates the principle.

x = rnorm(5)
[1] -0.6510448 0.4591730 1.3225205 1.2314391 -0.0888139

myfun <- function(fname, x) eval(parse(text=paste(fname,"(x)",sep=""))) myfun('max',x)
[1] 1.322521

myfun('min',x)
[1] -0.6510448

Regards,
Richie.

Mathematical Sciences Unit
HSL



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