In article <[EMAIL PROTECTED]>,
D.W. Ryu <[EMAIL PROTECTED]> wrote:
>Dear Dr. or Prof. Burrill,
>Thanks for your comments.
>The domain of random variable X and Y is -1< X, Y <1, which is points
>in xy plane.
>The points is located clustring near origin (0,0), so I try to
>approximate the its density to bivariate normal distribution.
>To define normal distribution, I need to know three parameters.
>I could define the elliptical probability contour function by parameter
>sigma_Max, sigma_Min, and rotation angle Omega from reference axis to
>semi-axis.
<The domain of sigma_Max and sigma_Min is the distance from origin in
<generic coordinate.
<Can I get the three parameters sigma_X, sigma_Y and correlation
<coefficient from these information.
<I am sorry that I didn't inform about question.
<Would you please let me know the relationship.....
This is highly confused. A normal random variable is not
bounded, and so the question is highly unclear.
--
This address is for information only. I do not claim that these views
are those of the Statistics Department or of Purdue University.
Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399
[EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558