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## Re: [Help-gsl] Where oh where did the correlation cofficient go?

**From**: |
Jack Denman |

**Subject**: |
Re: [Help-gsl] Where oh where did the correlation cofficient go? |

**Date**: |
Wed, 23 May 2007 08:29:41 -0700 |

On Wed, 2007-05-23 at 10:25 +0100, Brian Gough wrote:
>* At Mon, 21 May 2007 23:11:15 -0700,*
>* Jack Denman wrote:*
>* > I discovered this great library, but in the linear regression code I*
>* > cannot find a way to get the correlation coefficient "rho" or r that*
>* > indicates the degree if fit. Am I missing something?*
>* *
>* Hello,*
>* *
>* We return the covariance matrix which gives more*
>* information, you can calculate the correlation*
>* coefficient from it as rho = c11/sqrt(c00*c11).*
>* *
Thank you for the information and taking the time to write back. I will
look up the significance of the covariance matrix on my own.
--
Jack Denman <address@hidden>