Hello.
>
> I am having difficulties using the Pearson Correlation because it
> seems that it does not work if some cell is NaN. Is that intended?
Very likely. [When NaN appears in a computation, it propagates and the
result is NaN.]
> Here is some code:
>
> public static void main(String[] args) {
> double [] row1 = new double[]{3,4};
> double [] row2 = new double[]{1,8};
> double [] row3 = new double[]{Double.NaN,4};
> double[][] data = new double[][]{row1,row2,row3};
> System.out.println(Arrays.deepToString(data));
>
> PearsonsCorrelation coefMatrixP = new PearsonsCorrelation(data);
>
> System.out.println(coefMatrixP.getCorrelationMatrix().toString());
> }
>
What would you suggest should happen?
Regards,
Gilles
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