Message-ID: <5017ACC7.5010707@xtra.co.nz>
Date: 2012-07-31T10:00:39Z
From: Rolf Turner
Subject: Significance of correlation
In-Reply-To: <CAGvZnSNVku59va4MN2VLbj+oYQSDx5x=wEN+kBDjPynmWJNkag@mail.gmail.com>
On 31/07/12 21:13, Chintanu wrote:
> Hi,
>
> I understand that to test the significance of correlation between two
> PAIRED variables, the function, cor.test () can be used. However, in my
> case, I have tested the correlation (i.e., Correlation Coefficient, r)
> between two independent (i.e, different) variables, and now I wish to test
> for the statistical significance of the correlation. Could you please
> suggest how I should do that.
In a word, don't. If two random variables are independent then they
are necessarily (and obviously) uncorrelated.
Note that "independent" is not synonymous with "different".
cheers,
Rolf Turner