Re: Access coefficients in trendline
- From: Jean Brefort <jean brefort normalesup org>
- To: Mike Simms <mesimms gmail com>
- Cc: gnumeric-list gnome org
- Subject: Re: Access coefficients in trendline
- Date: Thu, 08 Nov 2012 08:23:47 +0100
Le mercredi 07 novembre 2012 à 02:18 -0800, Mike Simms a écrit :
Hi Jean,
OK, we're getting somewhere now, I have a created the columns C and D as you
say, and I've typed in
=linest(a1:a100;b1:d100,TRUE)
and pressed Ctrl+Shift+Enter and the indices {1,1}[0,0] appear. Lo and
behold the value is the coefficent of the x^3 term which I confirm by making
a chart of the data and adding a trendline and equation.
But when I add the same linest expression into the next cells in the row,
the same indices appear and the same value appears, when they should be
changing, no?. I am pressing Ctrl+Shift+Enter each time. What have I missed?
You need to select the four cells, enter the formula and Ctrl+Shift
+Enter to fill them at once. If you enter the same formula to each cell
in order, you always get the first cell.
Regards,
Jean
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