[R] Ploting two datasets

From: Anderson de Rezende Rocha <phiberoptic_br_at_yahoo.com.br>
Date: Thu 25 May 2006 - 13:25:46 EST


I need your help. I have two sets A and B each one containing n lines and being composed by the atributes x and y.

Three questions:
1) How can I plot A and B both on the same graphic? I need to show

   that the classes A and B are separable. In this way, I need    to plot the points of A as "*", and the points of B as "+", for    example. This would result two clouds.

2) How can I plot the result of question one using multi-levels, that

   is, a set of ellipsis that start on the mean of A and on the    mean of B?

3) How can I trace an hiperplane separating the classes A and B just

   depicted in question 1?

I appreciate any help. Thanks for all.

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