Re: Pearson-r in SQL

From: Gene Wirchenko <genew_at_mail.ocis.net>
Date: Thu, 23 Dec 2004 15:00:51 -0800
Message-ID: <2jsls0lsibqh6pnslp5v0cl8dn95uom78g_at_4ax.com>


"-CELKO-" <jcelko212_at_earthlink.net> wrote:

>Add more data to the set, drop the columns with NULLs and now I can get
>a result. For example with four more rows:
>
>(3kg, 6m)
>(5kg, 10m)
>(7kg, 14m)
>(1kg, 2m)
>
>my known values are linear. But I have those other rows of partial
>data that should reduce my confidence that I really have (r = 1). I

     Why? The partial data does not say anything either way.

>just don't know what the SQL products like CA-Ingres are doing with
>this, nor what statistics would do with it.

     I would toss it. It is not valid data.

>I did drop a note at alt.sci.math.statistics as well as here.

Sincerely,

Gene Wirchenko

Computerese Irregular Verb Conjugation:

     I have preferences.
     You have biases.
     He/She has prejudices.
Received on Fri Dec 24 2004 - 00:00:51 CET

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