Hi,
a simple question about mutual information:
mutual information is defined as I(X;Y) = H(X) - H(X|Y)
If X and Y aren't simple discrete random variables, but are defined on
set of random discrete variables (X,Y in {X1,X2, ....,Xn}, with Xi and
Yi discrete random variables), how can i calculate I(X;Y)?
Here is an example:
X1 X2 X3 X4 X5
1 5 2 3 9
4 3 4 7 0
3 1 4 2 5
....
.
.
.
X ={X1, X2}, Y={X3,X4}
I(X;Y)=?
Thanks.
.
.
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