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Re: [Offtopic] Line fitting [was Re: Numpy outlier removal]

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Date Wed, 9 Jan 2013 07:14:51 +1100
Subject Re: [Offtopic] Line fitting [was Re: Numpy outlier removal]
From Chris Angelico <rosuav@gmail.com>
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On Wed, Jan 9, 2013 at 2:55 AM, Robert Kern <robert.kern@gmail.com> wrote:
> On 08/01/2013 06:35, Chris Angelico wrote:
>> ... it looks
>> quite significant to show a line going from the bottom of the graph to
>> the top, but sounds a lot less noteworthy when you see it as a
>> half-degree increase on about (I think?) 30 degrees, and even less
>> when you measure temperatures in absolute scale (Kelvin) and it's half
>> a degree in three hundred.
>
> Why on Earth do you think that the distance from nominal surface
> temperatures to freezing much less absolute 0 is the right scale to compare
> global warming changes against? You need to compare against the size of
> global mean temperature changes that would cause large amounts of human
> suffering, and that scale is on the order of a *few* degrees, not hundreds.
> A change of half a degree over a few decades with no signs of slowing down
> *should* be alarming.

I didn't say what it should be; I gave three examples. And as I said,
this is not the forum to debate climate change; I was just using it as
an example of statistical reporting.

Three types of lies.

ChrisA

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Thread

Numpy outlier removal "Joseph L. Casale" <jcasale@activenetwerx.com> - 2013-01-06 19:44 +0000
  Re: Numpy outlier removal Hans Mulder <hansmu@xs4all.nl> - 2013-01-06 23:33 +0100
    RE: Numpy outlier removal "Joseph L. Casale" <jcasale@activenetwerx.com> - 2013-01-06 22:50 +0000
    Re: Numpy outlier removal MRAB <python@mrabarnett.plus.com> - 2013-01-06 23:18 +0000
  Re: Numpy outlier removal Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-07 01:46 +0000
    Re: Numpy outlier removal "Paul Simon" <psimon@sonic.net> - 2013-01-06 18:21 -0800
    Re: Numpy outlier removal Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-01-07 02:29 +0000
      Re: Numpy outlier removal Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-07 05:11 +0000
        Re: Numpy outlier removal Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-01-07 15:20 +0000
          [Offtopic] Line fitting [was Re: Numpy outlier removal] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-07 17:58 +0000
            Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Chris Angelico <rosuav@gmail.com> - 2013-01-08 06:43 +1100
              Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-08 02:06 +0000
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Chris Angelico <rosuav@gmail.com> - 2013-01-08 17:35 +1100
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Robert Kern <robert.kern@gmail.com> - 2013-01-08 15:55 +0000
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Chris Angelico <rosuav@gmail.com> - 2013-01-09 07:14 +1100
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-09 07:50 +0000
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Robert Kern <robert.kern@gmail.com> - 2013-01-08 22:59 +0000
            Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-01-07 22:32 +0000
              Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-08 01:23 +0000
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Terry Reedy <tjreedy@udel.edu> - 2013-01-08 04:07 -0500
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Maarten <maarten.sneep@knmi.nl> - 2013-01-08 08:47 -0800
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Maarten <maarten.sneep@knmi.nl> - 2013-01-08 08:47 -0800
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-09 00:02 +0000
                Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-01-08 13:50 +0000
            Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Jason Friedman <jason@powerpull.net> - 2013-01-08 19:22 -0700
            Re: [Offtopic] Line fitting [was Re: Numpy outlier removal] Jason Friedman <jason@powerpull.net> - 2013-01-08 19:23 -0700
        Re: Numpy outlier removal Robert Kern <robert.kern@gmail.com> - 2013-01-07 15:35 +0000
    RE: Numpy outlier removal "Joseph L. Casale" <jcasale@activenetwerx.com> - 2013-01-07 02:12 +0000

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