[R] using do.call to call a list of functions

[baptiste auguie]

package plyr makes it easier,

plyr::each(function.list)(pi)

HTH,

baptiste

On 15 October 2011 11:55, Richard M. Heiberger <rmh at temple.edu> wrote:
>> function.list=c(sin, cos, function(x) tan(x))
>> for (f in function.list) print(f(pi))
> [1] 1.224606e-16
> [1] -1
> [1] -1.224606e-16
>>
>
> On Fri, Oct 14, 2011 at 5:48 PM, honeyoak <honeyoak at gmail.com> wrote:
>
>> I am having trouble figuring out how to use do.call to call and run a list
>> of
>> functions.
>>
>> for example:
>>
>> make.draw = function(i){i;function()runif(i)}
>> function.list = list()
>> for (i in 1:3) function.list[[i]] = make.draw(i)
>>
>> will result in
>>
>> > function.list[[1]]()
>>  [1] 0.2996515
>> > function.list[[2]]()
>>  [1] 0.7276203 0.4704813
>> > function.list[[3]]()
>>  [1] 0.9092999 0.7307774 0.4647443
>>
>> what I want to do is create a function that calls all three functions in
>> the
>> list at one go. from what I understand as.call() can be used to do this but
>> I am having trouble connecting the dots and getting 6 uniform random draws
>> from function.list. thanks, honeyoak.
>>
>> --
>> View this message in context:
>> http://r.789695.n4.nabble.com/using-do-call-to-call-a-list-of-functions-tp3906337p3906337.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
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>>
>
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