private void Button_OnClick(object sender, RoutedEventArgs e)
{
Instance i = new Instance();
i.ParseInput(File.Text);
AnovaResult a = i.Calculate();
Text.Text = a.ToString();
}
/// <summary>
/// Creates an instance of the library interface class
/// Immediately attempts parsing- if that fails, it returns false
/// </summary>
/// <param name="filepath"></param>
/// <returns>True if instance created, and data parsed correctly.
/// Otherwise, false.</returns>
public bool CreateInstance(string filepath)
{
Instance instance = new Instance();
bool success = instance.ParseInput(filepath);
if (success)
libraryInstance = instance;
return success;
}
public void Page666Test()
{
Instance i = new Instance();
i.ParseInput(@"TestFiles/StatsBookExamplePage666.csv");
AnovaResult result = i.Calculate();
Assert.AreEqual(7.5492, Math.Round(result.SST, 4));
Assert.AreEqual(5.8617, Math.Round(result.SSE, 4));
Assert.AreEqual(1.6875, Math.Round(result.SSB, 4));
Assert.AreEqual(1.6875, Math.Round(result.MSB, 4));
Assert.AreEqual(.5862, Math.Round(result.MSE, 4));
Assert.AreEqual(2.88, Math.Round(result.F, 2));
Assert.AreEqual(0.1206, Math.Round(result.P, 4));
}
public void Page670Test()
{
Instance i = new Instance();
i.ParseInput(@"TestFiles/StatsBookExample670.xlsx");
AnovaResult result = i.Calculate();
Console.WriteLine(result.ToString());
Assert.AreEqual(1909.2, Math.Round(result.SST, 1));
Assert.AreEqual(1196.6, Math.Round(result.SSE, 1));
Assert.AreEqual(712.6, Math.Round(result.SSB, 1));
Assert.AreEqual(237.5, Math.Round(result.MSB, 1));
Assert.AreEqual(63, Math.Round(result.MSE, 0));
Assert.AreEqual(3.77, Math.Round(result.F, 2));
Assert.AreEqual(3, Math.Round(result.SSBDegreesOfFreedom,4));
Assert.AreEqual(19, Math.Round(result.SSEDegreesOfFreedom, 4));
Assert.AreEqual(22, Math.Round(result.SSTDegreesOfFreedom,4));
Assert.AreEqual(.0280, Math.Round(result.P, 4));
}
public void InstanceTestExcel()
{
Instance i = new Instance();
i.ParseInput(@"TestFiles/SmallExcelFile.xlsx");
AnovaResult result = i.Calculate();
AnovaResult expectedResult = new AnovaResult
{
SST = 280,
SSE = 30,
SSB = 250,
SSTDegreesOfFreedom = 14,
SSBDegreesOfFreedom = 2,
SSEDegreesOfFreedom = 12,
F = 50,
MSB = 125,
MSE = 2.5
};
Assert.AreEqual(expectedResult, result);
}