[R] Asymmetrically dependent variables to 2D-map?

From: Atte Tenkanen <attenka_at_utu.fi>
Date: Wed, 05 Dec 2007 16:49:54 +0200


I'm searching for a method which maps variables of this kind of table, see below, to 2-dimensional space, like in multidimensional scaling. However, this table is asymmetric: for example, variable T1 affects T2 more than T2 affects T1(0.41 vs. 0.21).


     T1 T2 T3 T4

T1 0.00 0.41 0.24 1.18
T2 0.21 0.00 0.46 0.12
T3 0.80 0.89 0.00 0.20
T4 0.09 1.04 0.17 0.00

Any suggestions? Something like gplot+mds+weighted arrays?

Atte Tenkanen
University of Turku, Finland

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