[R] ...listable functions...

[Uwe Ligges]

Pierre Mallard wrote:
> Hi R-helpers.
> I have the following problem:
> I would like to apply my function gain(df,X,A) to a
> list of arguments.
> df is a data frame
> X,A are the varibales od data frame.
> When I do
> 
>>gain(kyphosis,"Kyphosis",c("Start","Number"))
> 
> [1] "Start"  "Number"
> I get the following error...
> Error in unique.default(x) : unique() applies only to
> vectors
> I tried lapply and apply, it didn't seem to work...
> 
> Can anybody tell me how to apply my function gain to a
> list of argument(in this case, my third argument
> changes)...
> Thanks in advance,
> pierre
> 
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  lapply(c("Start", "Number"), function(x) gain(kyphosis, "Kyphosis", x))

Uwe Ligges