[R] Clustering Question

From: Kel Lam <lamkelj_at_yahoo.com>
Date: Fri 27 Jan 2006 - 05:18:10 EST


Hi group,

My case has N physicians with each seeing M patients. One physician could have seen a group of patients, or, a patient could have been seen by multiple number of physicians. In order words, there are overlaps. Now, I have the following NxM matrix

              Patient#1 Patient#2 Patient#3 ....... Patient#m
Physician#1 1 0 1 .......  0
Physician#2 1 1 1 .......  1
Physician#3 0 1 0 .......  1

.                 .        .          .     .......   

.
. . . . .......
.
Physician#n 1 1 0 .......
 0

"1" indicates previous encouter and "0" otherwise. My aim is to identify physician group practice based on the common patients they see. Any suggestion on which R package would best serve this purpose? Thank you so much!

Regards,
Kelvin



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