Try this:
lapply(bb, function(x)quantile(x, c(0.25, 0.75)) - matrix(IQR(x) * c(1.5,
3), nrow = 2) %*% c(-1, 1))
On Wed, May 12, 2010 at 1:44 PM, n.via...@libero.it <n.via...@libero.it>wrote:
>
> Dear list,
> I'm trying to implement the following function, but what I get is an error
> message and I don't understand where is the error:
> #outliers'identification:
> iqr=lapply(bb,function(){
> inner_fencesl=quantile(x,0.25)-1.5*IQR(x)
> inner_fencesh=quantile(x,0.75)+1.5*IQR(x)
> outer_fencesl=quantile(x,0.25)-3*IQR(x)
> outer_fencesh=quantile(x,0.75)+3*IQR(x)})
> where bb is a dataframe containing all the variables over wich the function
> must be applied.
> thanks of your attention!
>
> [[alternative HTML version deleted]]
>
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>
--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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