public void Test32BitEquality()
{
var r = CrossValidation.TrainTestSplit(new[]
{
boston.Data,
boston.Target.ToColumnMatrix()
},
randomState: new Random(1));
Matrix <double> xTrain = r[0].Item1;
Matrix <double> xTest = r[0].Item2;
Vector <double> yTrain = r[1].Item1.Column(0);
Vector <double> yTest = r[1].Item2.Column(0);
var est = new DecisionTreeRegressor(random: new Random(1));
//var xstr = string.Join("\n", xTrain.RowEnumerator().Select(v => string.Join(",", v.Item2) ));
//var ystr = "[" + string.Join(",", yTrain) + "]";
est.Fit(xTrain, yTrain);
double score = est.Score(xTest, yTest);
Assert.AreEqual(0.74776186837750824, score, 1E-10);
}