public function dataProviderForSumOfSquaresEqualsSumOfSQuaresRegressionPlusSumOfSquaresResidual()
{
return [[[[1, 2], [2, 3], [4, 5], [5, 7], [6, 8]]], [[[1, 3], [2, 6], [3, 7], [4, 11], [5, 12], [6, 13], [7, 17]]], [[[61, 105], [62, 120], [63, 120], [65, 160], [65, 120], [68, 145], [69, 175], [70, 160], [72, 185], [75, 210]]]];
}