Data preparation and statistics question
- To: mathgroup at smc.vnet.net
- Subject: [mg41741] Data preparation and statistics question
- From: Moranresearch at aol.com
- Date: Tue, 3 Jun 2003 07:13:25 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
I have a set of data l1={xj,yj,zj} where {j,1,n}
I would like to group the data into a uniform "grid" comprised of "cells".
The dimension of a cell would be x_increment by y_increment.
The center of the cell would be (x + x_increment/2,y + y_increment/2}
The z value would be the Mean of all z values falling within that cell.
Once I have this "conditioned" data I wish to do a multiple regression of
mean z of cells against x,y values of the center of the cells. Thank you.
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- From: Tomas Garza <tgarza01@prodigy.net.mx>
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