If it makes sense to represent your data as 4 column vectors, say y1 and y2
for the first set and x1 and x2 for the second, then you may consider to
calculate the canonical correlation between (y1,y2) and (x1,x2).
Jos Jansen
"Peter J. Wahle" <[EMAIL PROTECTED]> wrote in message
WcQA6.745$[EMAIL PROTECTED]">news:WcQA6.745$[EMAIL PROTECTED]...
> The cross product is another vector.
> Two vectors are orthogonal if their dot product is zero.
>
> This is not what I'm looking for.
> I have two sets of 2-D vectors that I need to
> determine their correlation or dependence.
>
> > If I remember correctly two vectors are independent if their cross
product
> > is zero. Check a vector analysis book for verification of this.
>
>
>
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