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Re: Oneway Anova from a covariance/cross-product matrix?

From: Jason Stover
Subject: Re: Oneway Anova from a covariance/cross-product matrix?
Date: Mon, 12 Jul 2010 12:50:18 -0400
User-agent: Mutt/1.5.18 (2008-05-17)

On Thu, Jul 08, 2010 at 03:19:14PM +0000, John Darrington wrote:
> However I think this is going to become an unmitigated nuisance.
> We can't always be sure that the dependent variable will be the last
> row/column  and I see that there is code in the fill_covariance function
> in regression.q which rearranges the matrix to satisfy this condition.
> I suggest that instead, we change reg_sweep so that it accepts an integer
> which is the index of the row/column of the dependent variable.  This 
> would be simple to implement using 
> gsl_matrix_swap_rows/gsl_matrix_swap_columns.

Sounds good to me.

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