Re: [R] matrix inverstion

2011-03-29 Thread Petr Savicky
On Mon, Mar 28, 2011 at 04:51:00PM +0200, Rosario Garcia Gil wrote: > Hello > > I have this matrix which I am trying to invert. I get a message about > reciprocal condition number, what that does mean? > > > XT_X > [,1] [,2] [,3] [,4] [,5] > [1,]30021 > [2,]02

Re: [R] matrix inverstion

2011-03-28 Thread Ben Bolker
Daniel Nordlund frontier.com> writes: > > On Behalf Of Rosario Garcia Gil > > I have this matrix which I am trying to invert. I get a message about > > reciprocal condition number, what that does mean? [snip] > > Well, it means exactly what the message says. Within the precision of your com

Re: [R] matrix inverstion

2011-03-28 Thread Daniel Nordlund
> -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of Rosario Garcia Gil > Sent: Monday, March 28, 2011 7:51 AM > To: r-help@r-project.org > Subject: [R] matrix inverstion > > Hello > > I have th

[R] matrix inverstion

2011-03-28 Thread Rosario Garcia Gil
Hello I have this matrix which I am trying to invert. I get a message about reciprocal condition number, what that does mean? > XT_X [,1] [,2] [,3] [,4] [,5] [1,]30021 [2,]02011 [3,]00211 [4,]21140 [5,]1