Re: Graph trendlines - a question.
- From: "Gareth.J.Martin" <eclipsing binary virgin net>
- To: "Andreas J. Guelzow" <aguelzow math concordia ab ca>
- Cc: gnumeric-list <gnumeric-list gnome org>
- Subject: Re: Graph trendlines - a question.
- Date: Thu, 05 Jul 2007 20:29:37 +0100
Can you tell us what you saw and what you expected?
Plotting river stage data against discharge data and adding a power law
I obtained the equation:
ln(y) = 111.778ln(x)-445.855
I was expecting something of the form a=cB^d, which is the standard form
for stage-discharge relationships (I do have the exact relationship but
I am unable to get access to my work computer). I imagine it is my bad
maths but I'm just a bit confused! Thanks for the help.
Best wishes,
Gareth.
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