[SciPy-User] How to estimate error in polynomial coefficients from scipy.polyfit?

[Robert Kern]

On Sun, Mar 28, 2010 at 22:26, David Goldsmith <d.l.goldsmith at gmail.com> wrote:
> On Sun, Mar 28, 2010 at 11:36 AM, <alan at ajackson.org> wrote:
>>
>> Crack permeability goes like the third power of the opening (that is,
>> fluid flow through cracks - think gas or oil in a fractured rock).
>
> Power law or polynomial: from a regression stand point, there's quite a big
> difference.

"Third power" == "x**3". He's not talking about a power law.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
  -- Umberto Eco