# [R] loop for, error: obj type 'closure' not subsetable

Thu Jul 26 11:50:18 CEST 2012

```Hello,

Simple, look carefully at what you have, rho is a function (type
closure), the vector is rhoes.
And you are trying to print rho[i], the i-th function in the "vector"
called rho.

print( rhoes[i] )  # works

Hope this helps,

Em 26-07-2012 06:40, Rafael_Leon escreveu:
> Hi everyone,
>
> I've got the following problem:
>
> I've got a matrix [1000,2] and two vectors. In very matrix row there is  two
> coefficients b0 and b1. The vectors are two variables x and y.  I want to do
> a loop to take b0 and b1 and with x and y calculate the residual of a linear
> model and calculate the second order coefficient of autocorrelation. What I
> did is :
>
> rho<-function(mat, x,y){
> rhoes=rep(0,dim(mat))
> for (i in 1:dim(mat)){
>
>
> rhoes[i]=acf(y-(mat[i,1]+mat[i,2]*x),type="correlation",plot=FALSE)\$acf
> #explanation below
>
>      }
>      print(rho[i])
>
> }
>
> I'm getting this error:
> Error in rho[i] : object of type 'closure' is not subsettable
>
> Any help will be deeply appreciated,
>
> Cheers,
>
> Rafael
>
> P.S.
> mat[i,1]=b0
> mat[i,2]=b1
> mat[i,1]+mat[i,2]*x= y estimated
> y-(mat[i,1]+mat[i,2]*x)= errors (residuals)
> acf= R function to calculate autocorrelation
> \$acf = to extract 2nd order autocorrelation
>
>
>
> --
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>
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