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Re: Compression of random binary data

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From MRAB <python@mrabarnett.plus.com>
Newsgroups comp.lang.python
Subject Re: Compression of random binary data
Date Mon, 11 Jul 2016 19:57:45 +0100
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On 2016-07-11 19:30, MRAB wrote:
> On 2016-07-11 18:52, jonas.thornvall@gmail.com wrote:
>> What kind of statistic law or mathematical conjecture  or is it even a physical law is violated by compression of random binary data?
>>
>> I only know that Shanon theorised it could not be done, but were there any proof?
>>
>> What is to say that you can not do it if the symbolic representation is richer than the symbolic represenatation of the dataset.
>>
>> Isn't it a fact that the set of squareroots actually depict numbers in a shorter way than their actual representation.
>>
>> Now the inpretator or program must know the rules. And i have very good rules to make it happen.
>>
> If you want a challenge:
>
> The Enduring Challenge of Compressing Random Data
> http://www.drdobbs.com/architecture-and-design/the-enduring-challenge-of-compressing-ra/240049914
>
It turns out there's a newsgroup for compression, and they're used to 
getting claims about compressing random data. In fact, so much so that 
it's in their FAQ:

comp.compression Frequently Asked Questions (part 1/3)
Section - [9] Compression of random data (WEB, Gilbert and others)
http://www.faqs.org/faqs/compression-faq/part1/section-8.html

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Compression of random binary data jonas.thornvall@gmail.com - 2016-07-11 10:52 -0700
  Re: Compression of random binary data Joonas Liik <liik.joonas@gmail.com> - 2016-07-11 21:09 +0300
    Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-11 11:24 -0700
      Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-11 11:32 -0700
  Re: Compression of random binary data MRAB <python@mrabarnett.plus.com> - 2016-07-11 19:30 +0100
  Re: Compression of random binary data Steven D'Aprano <steve@pearwood.info> - 2016-07-12 04:38 +1000
    Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-12 07:24 -0700
      Re: Compression of random binary data Steven D'Aprano <steve@pearwood.info> - 2016-07-13 01:11 +1000
        Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-12 10:35 -0700
          Re: Compression of random binary data Ian Kelly <ian.g.kelly@gmail.com> - 2016-07-12 16:23 -0600
            Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-12 17:43 -0700
            Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-12 17:47 -0700
          Re: Compression of random binary data Steven D'Aprano <steve@pearwood.info> - 2016-07-13 12:29 +1000
            Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-13 02:46 -0700
              Re: Compression of random binary data Steven D'Aprano <steve@pearwood.info> - 2016-07-13 23:11 +1000
              Re: [OT] Compression of random binary data Michael Torrie <torriem@gmail.com> - 2016-07-13 13:03 -0600
                Re: [OT] Compression of random binary data Marko Rauhamaa <marko@pacujo.net> - 2016-07-13 22:35 +0300
                Re: [OT] Compression of random binary data Tim Delaney <timothy.c.delaney@gmail.com> - 2016-07-14 08:39 +1000
              Re: [OT] Compression of random binary data Grant Edwards <grant.b.edwards@gmail.com> - 2016-07-13 19:34 +0000
            Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-13 03:04 -0700
              Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-13 03:14 -0700
              Re: Compression of random binary data Steven D'Aprano <steve@pearwood.info> - 2016-07-13 22:13 +1000
  Re: Compression of random binary data Nobody <nobody@nowhere.invalid> - 2016-07-11 19:56 +0100
  Re: Compression of random binary data MRAB <python@mrabarnett.plus.com> - 2016-07-11 19:57 +0100
  Re: Compression of random binary data Terry Reedy <tjreedy@udel.edu> - 2016-07-11 15:31 -0400
  Re: Compression of random binary data Michael Selik <michael.selik@gmail.com> - 2016-07-12 00:36 +0000
  Re: Compression of random binary data Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-07-11 20:01 -0700
    Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-12 07:29 -0700
      Re: Compression of random binary data Steven D'Aprano <steve@pearwood.info> - 2016-07-13 01:17 +1000
        Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-12 10:46 -0700
          Re: Compression of random binary data Michael Torrie <torriem@gmail.com> - 2016-07-12 12:20 -0600
            Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-12 12:31 -0700
            Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-12 12:40 -0700
              Re: Compression of random binary data jonas.thornvall@gmail.com - 2016-07-12 12:42 -0700
      Re: Compression of random binary data mm0fmf <none@invalid.com> - 2016-07-12 17:32 +0100

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