public void SOM_6_columns_iris_0()
{
InitData_dataset_iris();
//Split last column away from _trainingData
double[][] newTrainingData = ArrayManipulation.RemoveLastColumn2D(_trainingData);
string [] values = Conversion.ConvertToStringArray(ArrayManipulation.GetLastColAs1DArray(_trainingData));
string[] newAttributeHeaders = ArrayManipulation.RemoveLastColumn1D(_attributeHeaders);
BuildSelfOrganizingMap build = new BuildSelfOrganizingMap();
build.SetParameters(4, 4);//, .1, 100, 3);
ModelSelfOrganizingMap model =
(ModelSelfOrganizingMap)build.BuildModel(newTrainingData, newAttributeHeaders);
values = Conversion.ReplaceWithString1D(values, "0", "setosa");
values = Conversion.ReplaceWithString1D(values, "1", "versicolor");
values = Conversion.ReplaceWithString1D(values, "2", "virginica");
string somMap = model.GetPrintedSOMMapWithNameIds(newTrainingData,
values);
//string valueCompare = "versicolor versicolor setosa setosa \r\n" +
// "virginica versicolor versicolor setosa \r\n" +
// "virginica virginica virginica virginica \r\n" +
// "virginica virginica virginica virginica";
//Using Random init weights is leading to different structure
//However the following line should always be there
Assert.IsTrue(somMap.Contains("virginica virginica virginica virginica"));
}
public void ArrayManipulation_1D_double_last_col()
{
double[] array = new double[] { 2, 3, 4, 5 };
double[] newArray = ArrayManipulation.RemoveLastColumn1D(array);
Assert.AreEqual(newArray.Length, 3);
Assert.AreEqual(newArray[0], 2);
Assert.AreEqual(newArray[1], 3);
Assert.AreEqual(newArray[2], 4);
}
public void ArrayManipulation_1D_string_last_col()
{
string[] array = new string[] { "a", "b", "c", "d" };
string[] newArray = ArrayManipulation.RemoveLastColumn1D(array);
Assert.AreEqual(newArray.Length, 3);
Assert.AreEqual(newArray[0], "a");
Assert.AreEqual(newArray[1], "b");
Assert.AreEqual(newArray[2], "c");
}