[R] CORRECTION - Storing results in a loop

[Benilton Carvalho]

maybe you just want

Y = ONS^2

?

b

On Mon, Feb 15, 2010 at 12:22 PM, Madhavi Bhave <madhavi_bhave at yahoo.com> wrote:
> Dear R Helpers
>
> (There is a small correction in my earlier mail. In the 'instrument.csv' file, I had mentioned only three columns. Actually there are 7 columns. I regret the error. Rest contents remains the same. Thanks)
>
> I have an 'instrument.csv' file with 7 instrument names and 5 rates each i.e. it has 7 columns and 6 rows (including row names).
>
> 'instrument.csv'
>
> instrument1      instrument2   ........     instrument7
> 12                         5                              14
> 11                         7                                7
> 14                       11                                3
>   8                       21                              10
> 11                         3                                5
>
>
> Following is my R code.
>
> ONS = read.csv('Instrument.csv')
> n = length(ONS)
>
> Y = NULL
> B = NULL
>
> for (i in 1 : n)
>
>  {
>
>  Y[i] = ONS[i]
>
>   for (j in 1 : length(Y[[i]]))
>    {
>    B[j] = (Y[[i]][j])^2
>    }
>
>  }
>
> Problem is when I type B, I get the processed result only for the last column i.e. Y[7]. It doesn't store results for Y[1] to Y[7].
>
> I need B[1], B[2].......upto B[7].
>
> Please guide me how do I store individual column processed results?
>
> Thanking you all in advance
>
> Regards
>
> Madhavi
>
>
>
>
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