Re: Pearson-r in SQL

Matthias Klaey <mpky_at_hotmail.com> wrote:

[snip]

>What if the cost of getting one measurement was, say 37000 Dollars?

     What measurement?

>Even if you could get only the x result and not the desired (x, y)
>pair, due to some experimental mishap?

     The point is to determine correlation between x and y. With only one of the values, it can not be done.

>Are you really ready to throw away such valuable information just
>because it does not fit the formula?

     It is not valuable information at all.

Sincerely,

Gene Wirchenko

Computerese Irregular Verb Conjugation:

     I have preferences.
     You have biases.
     He/She has prejudices.