[R] Passing function to tapply as a string

Henrique Dallazuanna wwwhsd at gmail.com
Fri Mar 7 12:21:59 CET 2008


Yes,

tapply(rnorm(100), gl(5,20), "max")

On 07/03/2008, Yuri Volchik <yuri.volchik at gmail.com> wrote:
>
>  Hi,
>
>  Was wondering if it is possible to pass function name as a parameter, smth
>  along this line
>
>  param.to.pass<-c(1,'max','h')
>
>  dd<-function(dfd, param=param.to.pass,...){
>   ttime.int <- format(ttime,fmt)
>   data.frame(
>      param[3] = tapply(dfd[,param[1]],ttime.int,param[3]),
>          ...)
>    }
>
>
>  I know there is a as.formula expression but not quite sure if there is some
>  way to accomplish what i need.
>  Thanks
>  --
>  View this message in context: http://www.nabble.com/Passing-function-to-tapply-as-a-string-tp15891151p15891151.html
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>
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>


-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O



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