public FCMSolution(MethodInputResponse input, int clustersNumber)
: base(input, clustersNumber)
{
// random initialization:
Random gen = new Random();
// initialize random cluster prototypes:
for (int j = 0; j < clustersNumber; j++)
{
InputObject prototype = new InputObject("");
foreach (string dimension in input.dimensionsLowerBounds.Keys)
{
prototype.Dimensions.Add(dimension, input.dimensionsLowerBounds[dimension] + gen.NextDouble() * (input.dimensionsUpperBounds[dimension] - input.dimensionsLowerBounds[dimension]));
}
clusterPrototypes[j] = prototype;
}
// initialize random primary memberships:
for (int j = 0; j < input.InputObjects.Count; j++)
{
double[] fuzzyMarkers = new double[clustersNumber + 1];
fuzzyMarkers[0] = 0;
fuzzyMarkers[clustersNumber] = 1;
for (int mcount = 1; mcount < clustersNumber; mcount++)
do
{
fuzzyMarkers[mcount] = gen.NextDouble();
} while (fuzzyMarkers[mcount] <= fuzzyMarkers[mcount - 1]);
for (int mcount = 0; mcount < clustersNumber; mcount++)
primaryMemberships[mcount, j] = fuzzyMarkers[mcount + 1] - fuzzyMarkers[mcount];
}
setTarget();
}
public CurrentSolution(MethodInputResponse input, int clustersNumber)
{
if (input == null)
{
Debug.WriteLine("Invalid method input.");
return;
}
methodInput = input;
this.clustersNumber = clustersNumber;
primaryMemberships = new double[clustersNumber, input.InputObjects.Count];
// secondaryMemberships = new Interval[c, n];
clusterPrototypes = new InputObject[clustersNumber];
m = 1.05;
}
public PCMSolution(FCMSolution init, MethodInputResponse input, int clustersCount)
: base(input, clustersCount)
{
eta = new double[clustersNumber];
D = new double[clustersNumber, methodInput.InputObjects.Count];
// initialize cluster prototypes (as a result of FCM):
for (int i = 0; i < clustersNumber; i++)
{
clusterPrototypes[i] = new InputObject("");
clusterPrototypes[i].Dimensions = init.ClusterPrototypes[i].Dimensions;
}
// initialize primary memberships (the same way):
for (int i = 0; i < methodInput.InputObjects.Count; i++)
for (int j = 0; j < clustersNumber; j++)
primaryMemberships[j, i] = init.PrimaryMemberships[j, i];
setD();
setTarget();
}
private void ShowResults(CurrentSolution results, int clustersNumber, MethodInputResponse inputParams, int offset, string title)
{
myExcel.Worksheet currentWorkSheet = (myExcel.Worksheet)m_ObjWorkBook.Sheets[clustersNumber];
currentWorkSheet.Name = clustersNumber.ToString() + " clusters";
//FCM output
//Membership values output:
currentWorkSheet.Cells[offset + 1, 1] = title;
for (int i = 0; i < clustersNumber; i++)
{
currentWorkSheet.Cells[offset + 2, 2 * (i + 1) + 1] = "Cluster " + (i + 1).ToString();
}
for (int i = 0; i < inputParams.InputObjects.Count; i++)
{
currentWorkSheet.Cells[offset + i + 3, 1] = inputParams.InputObjects[i].Name;
for (int j = 0; j < clustersNumber; j++)
{
currentWorkSheet.Cells[offset + i + 3, 2 * (j + 1) + 1] = string.Format("{0:0.##########}", results.PrimaryMemberships[j, i]);
}
}
//DSE-s output:
for (int i = 0; i < clustersNumber; i++)
{
currentWorkSheet.Cells[offset + 2, 2 * (i + 1)] = "DSE " + (i + 1).ToString();
}
for (int i = 0; i < inputParams.InputObjects.Count; i++)
{
for (int j = 0; j < clustersNumber; j++)
{
currentWorkSheet.Cells[offset + i + 3, 2 * (j + 1)] = results.GetSignedEuclidean(inputParams.InputObjects[i], results.ClusterPrototypes[j]);
}
}
//Cluster centres output:
currentWorkSheet.Cells[offset + inputParams.InputObjects.Count + 4, 1] = "Clusters prototypes:";
//column captions:
int rowCount = offset + inputParams.InputObjects.Count + 5;
foreach (string dimensionName in inputParams.dimensionsLowerBounds.Keys)
{
currentWorkSheet.Cells[rowCount, 1] = dimensionName;
rowCount ++;
}
//actual values now:
for (int i = 0; i < clustersNumber; i++)
{
int j = 0;
foreach (string dimension in inputParams.dimensionsLowerBounds.Keys)
{
currentWorkSheet.Cells[offset + inputParams.InputObjects.Count + 5 + j, i + 2] = results.ClusterPrototypes[i].Dimensions[dimension];
j++;
}
}
//currentWorkSheet.Cells[offset + inputParams.InputObjects.Count + 6 + inputParams.dimensionsLowerBounds.Count, 1] = "Iterations count: " + iterationsCount.ToString();
// currentWorkSheet.Columns.AutoFit();
m_ObjExcel.Visible = true;
m_ObjExcel.UserControl = true;
}
private MethodInputResponse GetInput()
{
try
{
MethodInputResponse inputParameters = new MethodInputResponse();
//count objects:
myExcel.Range nameCell = m_ObjWorkSheet1.get_Range("A2", "A2");
int rowNumber = 2;
while (nameCell.Text.ToString() != "")
{
//inputParameters.ObjectsQuantity++;
InputObject newInputObject = new InputObject(nameCell.Text.ToString());// What's in the A column starting row 2
//get the dimensions now; start with the B1 (C1?) and go on along row 1 till run into an empty cell
// myExcel.Range dimensionCell = m_ObjWorkSheet1.get_Range("B2", "B2");
int columnNumber = 2;
myExcel.Range dimensionCell = m_ObjWorkSheet1.get_Range(MethodInputResponse.ALPHABET[columnNumber] + rowNumber.ToString(), MethodInputResponse.ALPHABET[columnNumber] + rowNumber.ToString());
while (!String.IsNullOrEmpty(dimensionCell.Text.ToString()))
{
string dimensionName = "Dimension" + (columnNumber-1);
newInputObject.Dimensions.Add(dimensionName, double.Parse(dimensionCell.Text.ToString()));
//handle bounds
double dimensionLowestValue, dimensionHighestValue;
if (inputParameters.dimensionsLowerBounds.TryGetValue(dimensionName, out dimensionLowestValue))
{
if (dimensionLowestValue > newInputObject.Dimensions[dimensionName])
{
inputParameters.dimensionsLowerBounds[dimensionName] = newInputObject.Dimensions[dimensionName];
}
}
else
{
inputParameters.dimensionsLowerBounds.Add(dimensionName, double.PositiveInfinity);
}
if (inputParameters.dimensionsUpperBounds.TryGetValue(dimensionName, out dimensionHighestValue))
{
if (dimensionHighestValue < newInputObject.Dimensions[dimensionName])
{
inputParameters.dimensionsUpperBounds[dimensionName] = newInputObject.Dimensions[dimensionName];
}
}
else
{
inputParameters.dimensionsUpperBounds.Add(dimensionName, double.NegativeInfinity);
}
columnNumber++;
dimensionCell = m_ObjWorkSheet1.get_Range(MethodInputResponse.ALPHABET[columnNumber] + rowNumber.ToString(), MethodInputResponse.ALPHABET[columnNumber] + rowNumber.ToString());
}
inputParameters.InputObjects.Add(newInputObject);
rowNumber++;
nameCell = m_ObjWorkSheet1.get_Range("A" + rowNumber.ToString(), "A" + rowNumber.ToString());
}
return inputParameters;
}
catch (Exception ex)
{
MessageBox.Show("Exception occured while reading input data " + ex.ToString());
return new MethodInputResponse();
}
}