[R] Passing function to tapply as a string

[Richard.Cotton at hsl.gov.uk]

> 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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