correlation

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huda nawaf
huda nawaf on 2 Sep 2011
hi, how I can find the correlation of an array?
I found corr, but it is find correlation between each two columns . how I can find the correlation between rows.
are there command find the correlation among more than two rows?
thanks

Answers (2)

Paulo Silva
Paulo Silva on 2 Sep 2011
maybe using corr on the transposed array?!
  1 Comment
Niki
Niki on 2 Sep 2011
I think you can transpose your matrix like this
for example you have a Matrix >>X=rand(10) then >>X=X';
and then perform "corr" or "corrcoef"
like >>[R]=corrcoef (X);

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huda nawaf
huda nawaf on 2 Sep 2011
hi, thanks, but I don't know why used rand . for what? please, be more clear
thanks
  1 Comment
Oleg Komarov
Oleg Komarov on 2 Sep 2011
Rand is just an example, just transpose your matrix.

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