[R] Evaluate a function for various value of parameters

[rongguiwong]

ÔÚ 2004Äê10ÔÂ23ÈÕ ÐÇÆÚÁù 06:10£¬Stephane DRAY дµÀ£º
> Hello list,
>
> I have a problem ... and do not know how to solve it.
> I would like create a function that estimate the quality of the fit of
> different functions with different values of parameters.
> This problem is related to the following one:
> I would like to create a function "evaluatemyfunction" which evaluate a
> function f for different values of parameters. For instance, if
> f=function(a,b) a*b
> evaluatemyfunction(f,1:10,5) would return:
> 5
> 10
> 15...
> mapply("*",1:10,5)
 [1]  5 10 15 20 25 30 35 40 45 50
> outer(1:10,5,"*")
      [,1]
 [1,]    5
 [2,]   10
 [3,]   15
 [4,]   20
 [5,]   25
 [6,]   30
 [7,]   35
 [8,]   40
 [9,]   45
[10,]   50
is these meet your need?
try
>?outer
>?mapply
to see more details.