public void AddTest()
{
var X = new[] { 2003.0, 2001, 2004, 2000, 2002 };
var Y = new[] { 6.93, 8.50, 6.60, 9.34, 7.62 };
var ds = new XYDataSet(X, Y);
Assert.AreEqual(2000, ds.XMin);
Assert.AreEqual(2004, ds.XMax);
Assert.AreEqual(6.60, ds.YMin);
Assert.AreEqual(9.34, ds.YMax);
Assert.AreEqual(2, ds.XMaxIndex);
Assert.AreEqual(3, ds.XMinIndex);
Assert.AreEqual(3, ds.YMaxIndex);
Assert.AreEqual(2, ds.YMinIndex);
Assert.AreEqual(-0.705, Math.Round(ds.Slope, 4));
Assert.AreEqual(1419.208, Math.Round(ds.YIntercept, 4));
Assert.AreEqual(2013.061, Math.Round(ds.XIntercept, 4));
Assert.AreEqual(2002, Math.Round(ds.XMean, 4));
Assert.AreEqual(7.798, Math.Round(ds.YMean, 4));
ds.Add(2005, 5.90);
Assert.AreEqual(2000, ds.XMin);
Assert.AreEqual(2005, ds.XMax);
Assert.AreEqual(5.90, ds.YMin);
Assert.AreEqual(9.34, ds.YMax);
Assert.AreEqual(5, ds.XMaxIndex);
Assert.AreEqual(3, ds.XMinIndex);
Assert.AreEqual(3, ds.YMaxIndex);
Assert.AreEqual(5, ds.YMinIndex);
Assert.AreEqual(-0.674, Math.Round(ds.Slope, 4));
Assert.AreEqual(1357.1667, Math.Round(ds.YIntercept, 4));
Assert.AreEqual(2013.6004, Math.Round(ds.XIntercept, 4));
Assert.AreEqual(2002.5, Math.Round(ds.XMean, 4));
Assert.AreEqual(7.4817, Math.Round(ds.YMean, 4));
}
public void ComputeRSquaredTest()
{
double[] X = { 75.0, 83, 85, 85, 92, 97, 99 };
double[] Y = { 16.0, 20, 25, 27, 32, 48, 48 };
var ds = new XYDataSet(X, Y);
var r2 = ds.ComputeRSquared();
Assert.AreEqual(1.45, Math.Round(ds.Slope, 2));
Assert.AreEqual(-96.85, Math.Round(ds.YIntercept, 2));
Assert.AreEqual(0.927, Math.Round(r2, 3));
Assert.AreEqual(0.927, Math.Round(ds.RSquare, 3));
ds.Add(101, 51);
Assert.AreEqual(double.NaN, Math.Round(ds.RSquare, 3));
}
public void ThisIndexTest()
{
var X = new[] { 2003.0, 2001, 2004, 2000, 2002 };
var Y = new[] { 6.93, 8.50, 6.60, 9.34, 7.62 };
var ds = new XYDataSet(X, Y);
ds[3] = new PointD(2005, 5.90);
Assert.AreEqual(2001, ds.XMin);
Assert.AreEqual(2005, ds.XMax);
Assert.AreEqual(5.90, ds.YMin);
Assert.AreEqual(8.50, ds.YMax);
Assert.AreEqual(-0.622, Math.Round(ds.Slope, 4));
Assert.AreEqual(1252.976, Math.Round(ds.YIntercept, 4));
Assert.AreEqual(2014.4309, Math.Round(ds.XIntercept, 4));
ds.Add(2000, 9.34);
Assert.AreEqual(2000, ds.XMin);
Assert.AreEqual(2005, ds.XMax);
Assert.AreEqual(5.90, ds.YMin);
Assert.AreEqual(9.34, ds.YMax);
Assert.AreEqual(-0.674, Math.Round(ds.Slope, 4));
Assert.AreEqual(1357.1667, Math.Round(ds.YIntercept, 4));
Assert.AreEqual(2013.6004, Math.Round(ds.XIntercept, 4));
}
public void AddTest()
{
var X = new[] { 2003.0, 2001, 2004, 2000, 2002 };
var Y = new[] { 6.93, 8.50, 6.60, 9.34, 7.62 };
var ds = new XYDataSet(X, Y);
Assert.AreEqual(2000, ds.XMin);
Assert.AreEqual(2004, ds.XMax);
Assert.AreEqual(6.60, ds.YMin);
Assert.AreEqual(9.34, ds.YMax);
Assert.AreEqual(2, ds.XMaxIndex);
Assert.AreEqual(3, ds.XMinIndex);
Assert.AreEqual(3, ds.YMaxIndex);
Assert.AreEqual(2, ds.YMinIndex);
Assert.AreEqual(-0.705, Math.Round(ds.Slope, 4));
Assert.AreEqual(1419.208, Math.Round(ds.YIntercept, 4));
Assert.AreEqual(2013.061, Math.Round(ds.XIntercept, 4));
Assert.AreEqual(2002, Math.Round(ds.XMean, 4));
Assert.AreEqual(7.798, Math.Round(ds.YMean, 4));
ds.Add(2005, 5.90);
Assert.AreEqual(2000, ds.XMin);
Assert.AreEqual(2005, ds.XMax);
Assert.AreEqual(5.90, ds.YMin);
Assert.AreEqual(9.34, ds.YMax);
Assert.AreEqual(5, ds.XMaxIndex);
Assert.AreEqual(3, ds.XMinIndex);
Assert.AreEqual(3, ds.YMaxIndex);
Assert.AreEqual(5, ds.YMinIndex);
Assert.AreEqual(-0.674, Math.Round(ds.Slope, 4));
Assert.AreEqual(1357.1667, Math.Round(ds.YIntercept, 4));
Assert.AreEqual(2013.6004, Math.Round(ds.XIntercept, 4));
Assert.AreEqual(2002.5, Math.Round(ds.XMean, 4));
Assert.AreEqual(7.4817, Math.Round(ds.YMean, 4));
}
public void ThisIndexTest()
{
var X = new[] { 2003.0, 2001, 2004, 2000, 2002 };
var Y = new[] { 6.93, 8.50, 6.60, 9.34, 7.62 };
var ds = new XYDataSet(X, Y);
ds[3] = new PointD(2005, 5.90);
Assert.AreEqual(2001, ds.XMin);
Assert.AreEqual(2005, ds.XMax);
Assert.AreEqual(5.90, ds.YMin);
Assert.AreEqual(8.50, ds.YMax);
Assert.AreEqual(-0.622, Math.Round(ds.Slope, 4));
Assert.AreEqual(1252.976, Math.Round(ds.YIntercept, 4));
Assert.AreEqual(2014.4309, Math.Round(ds.XIntercept, 4));
ds.Add(2000, 9.34);
Assert.AreEqual(2000, ds.XMin);
Assert.AreEqual(2005, ds.XMax);
Assert.AreEqual(5.90, ds.YMin);
Assert.AreEqual(9.34, ds.YMax);
Assert.AreEqual(-0.674, Math.Round(ds.Slope, 4));
Assert.AreEqual(1357.1667, Math.Round(ds.YIntercept, 4));
Assert.AreEqual(2013.6004, Math.Round(ds.XIntercept, 4));
}
public void ComputeRSquaredTest()
{
double[] X = { 75.0, 83, 85, 85, 92, 97, 99 };
double[] Y = { 16.0, 20, 25, 27, 32, 48, 48 };
var ds = new XYDataSet(X, Y);
var r2 = ds.ComputeRSquared();
Assert.AreEqual(1.45, Math.Round(ds.Slope,2));
Assert.AreEqual(-96.85, Math.Round(ds.YIntercept,2));
Assert.AreEqual(0.927, Math.Round(r2, 3));
Assert.AreEqual(0.927, Math.Round(ds.RSquare, 3));
ds.Add(101, 51);
Assert.AreEqual(double.NaN, Math.Round(ds.RSquare, 3));
}
