On 15.02.2010 12:47, Madhavi Bhave wrote:
Dear R Helpers
I have an 'instrument.csv' file with 3 instrument names and 5 rates each i.e.
it has 7 columns and 6 rows (including row names).
'instrument.csv'
instrument1 instrument2 instrument3
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?
I guess all you want is
B <- ONS^2
and for indexing, please read basic documentation of R!
If this is homework: You do not learn by asking questions on R-help, but
by solving the tasks yourself!
Uwe Ligges
Thanking you all in advance
Regards
Madhavi
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