Method argmax

src/com/winvector/opt/impl/HelperFns.java:16–25

(final double[] pred)

	public static int argmax(final double[] pred) {
		int choice = 0;
		final int n = pred.length;
		for(int i=1;i<n;++i) {
			if(pred[i]>pred[choice]) {
				choice = i;
			}
		}
		return choice;
	}
	
	public static boolean isGoodPrediction(final double[] pred, final ExampleRow ei) {
		final int predi = argmax(pred);