Re: st: Why many things have Normal distribution

[Yuval Arbel <yuval.arbel@gmail.com>]

Here is a link to Mario Livio in wikipedia:

http://en.wikipedia.org/wiki/Mario_Livio

On Thu, Aug 29, 2013 at 1:21 PM, David Greenberg <dg4@nyu.edu> wrote:
> LOts of social indicators are highly skewed, but parameter estimates (such
> as regression coefficients) may closely approximate a normal distribution
> when one has large samples, because of the Central Limit Theorem. David
> Greenberg, Sociology Department, New York University
>
>
> On Thu, Aug 29, 2013 at 3:58 PM, Yuval Arbel <yuval.arbel@gmail.com> wrote:
>>
>> Vinicius,
>>
>> I'm not sure that I have the full answer. However, an interesting book
>> that can recommend in this context is written by a well-known academic
>> physicist named Mario Livio.
>> The name of the book: "Is God A Mathematician?"
>>
>> The author's claim is that the normal distribution was discovered in
>> the natural sciences in the 16 th century. When you make many
>> temperature measurements and write the outcomes - you will find they
>> are normally distributed.The first person who found that the normal
>> distribution can be applied to social problems and physical human
>> features is Adolf Katle who lived in today's Belgium.
>>
>> P.S.The author implies that the name given to the normal distribution
>> as the "Gaos Bell" (named after the prince of Mathematician) is not
>> entirely justified
>>
>>
>> On Thu, Aug 29, 2013 at 12:11 PM, Roger B. Newson
>> <r.newson@imperial.ac.uk> wrote:
>> > I would guess that it is because so many things are equal to the sum of
>> > a
>> > large number of weakly-dependent terms. Or, in the case of a lognormal
>> > distribution, so many things are equal to the product of a large number
>> > of
>> > weakly-dependent factors. I don't know how string theory comes into all
>> > this.
>> >
>> > Best wishes
>> >
>> > Roger
>> >
>> > Roger B Newson BSc MSc DPhil
>> > Lecturer in Medical Statistics
>> > Respiratory Epidemiology and Public Health Group
>> > National Heart and Lung Institute
>> > Imperial College London
>> > Royal Brompton Campus
>> > Room 33, Emmanuel Kaye Building
>> > 1B Manresa Road
>> > London SW3 6LR
>> > UNITED KINGDOM
>> > Tel: +44 (0)20 7352 8121 ext 3381
>> > Fax: +44 (0)20 7351 8322
>> > Email: r.newson@imperial.ac.uk
>> > Web page: http://www.imperial.ac.uk/nhli/r.newson/
>> > Departmental Web page:
>> >
>> > http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/
>> >
>> > Opinions expressed are those of the author, not of the institution.
>> >
>> >
>> > On 29/08/2013 19:27, Marcos Vinicius wrote:
>> >>
>> >> hello,
>> >> Yesterday someone asked me a philosophical  question :Why many things
>> >> have
>> >> Normal distribution ( or at least approximately)?
>> >> My answer: It is a type of symmetry we observe in nature..  maybe a
>> >> String
>> >> Theory specialist may have a technical answer.
>> >> How do you answer that question?
>> >> CLT maybe ?
>> >>
>> >> Regards,
>> >> Vinicius
>> >>
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>>
>>
>> --
>> Dr. Yuval Arbel
>> School of Business
>> Carmel Academic Center
>> 4 Shaar Palmer Street,
>> Haifa 33031, Israel
>> e-mail1: yuval.arbel@carmel.ac.il
>> e-mail2: yuval.arbel@gmail.com
>> You can access my latest paper on SSRN at:
>> http://ssrn.com/abstract=2263398
>> You can access previous papers on SSRN at: http://ssrn.com/author=1313670
>> *
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>
>



-- 
Dr. Yuval Arbel
School of Business
Carmel Academic Center
4 Shaar Palmer Street,
Haifa 33031, Israel
e-mail1: yuval.arbel@carmel.ac.il
e-mail2: yuval.arbel@gmail.com
You can access my latest paper on SSRN at:  http://ssrn.com/abstract=2263398
You can access previous papers on SSRN at: http://ssrn.com/author=1313670
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/faqs/resources/statalist-faq/
*   http://www.ats.ucla.edu/stat/stata/