[R] could not find function lapply<-

[Gray Calhoun]

Hi Luis,
  You can't assign to lapply.
--Gray

On Tue, Dec 8, 2009 at 5:38 AM, Luis Ridao Cruz <Luisr at hav.fo> wrote:
> R-help,
>
> I have a list whose elements are data frames.
> I want to change the colnames attribute in each element of this list but an error message
> comes up:
>
>> lapply(LD_strataNew,function(x) dimnames(x)[[2]][-1]) <- as.roman(1:9)[-6]
> Error in lapply(LD_strataNew, function(x) dimnames(x)[[2]][-1]) <- as.roman(1:9)[-6] :
>  could not find function "lapply<-"
>
>
>> lapply(LD_strataNew,function(x) dimnames(x)[[2]])
> $`1996`
> [1] "lgdcm" "X1"    "X2"    "X3"    "X4"    "X5"    "X7"    "X8"    "X9"
>
> $`1997`
> [1] "lgdcm" "X1"    "X2"    "X3"    "X4"    "X5"    "X7"    "X8"    "X9"
>
> $`1998`
> [1] "lgdcm" "X1"    "X2"    "X3"    "X4"    "X5"    "X7"    "X8"    "X9"
>
> .......
> .......
> .......
>
> Why does it not work?
>
> Thanks in advance.
>
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-- 
Gray Calhoun

Assistant Professor of Economics
Iowa State University