public double[][] solveThreeStage(String method) // Method: Enter CCR, BCC, SBM
{
DEA stageOne = new DEA(dmu, input, interOne);
double[][] solutionOne = null;
try {
if (method.equals("CCR") == true && settings[0][0] == true) // Input-Orientation
solutionOne = stageOne.solve_Dual_Basic_Input(false); // Solve stage one
else if (method.equals("CCR") == true && settings[0][0] == false) // Output-Orientation
solutionOne = stageOne.solve_Dual_Basic_Output(false); // Solve stage one
else if (method.equals("BCC") == true && settings[0][0] == true) // Input-Orientation
solutionOne = stageOne.solve_Dual_Basic_Input(true); // Solve stage one
else if (method.equals("BCC") == true && settings[0][0] == false) // Output-Orientation
solutionOne = stageOne.solve_Dual_Basic_Output(true); // Solve stage one
else if (method.equals("SBM") == true && settings[0][0] == true) // Input-Orientation
solutionOne = stageOne.solve_Dual_SBM_Input(); // Solve stage one
else if (method.equals("SBM") == true && settings[0][0] == false) // Output-Orientation
solutionOne = stageOne.solve_Dual_SBM_Output(); // Solve stage one
/*else
throw new Exception("Falsche Methodik");*/
solList.add(solutionOne);
} catch (IloException ex) {
Logger.getLogger(ThreeStageDEA.class.getName()).log(Level.SEVERE, null, ex);
}
// Calculate Stage 2
DEA stageTwo = null;
double[][] effOneFitted = null;
if (settings[1][1] == true) // Efficiency of stage 1 is input of stage 2
{
double[] effOne = Evaluation.getEfficiency(solutionOne);
effOneFitted = fitEfficiency(effOne);
stageTwo = new DEA(dmu, effOneFitted, interTwo);
} else {
if (settings[2][1] == false) // Input is no combination of efficiency and intermediary product
{
stageTwo = new DEA(dmu, interOne, interTwo);
} else {
double[][] combInter = combineEffInter(Evaluation.getEfficiency(solutionOne));
stageTwo = new DEA(dmu, combInter, interTwo);
}
}
double[][] solutionTwo = null;
try {
if (method.equals("CCR") == true && settings[0][1] == true) // Input-Orientation
solutionTwo = stageTwo.solve_Dual_Basic_Input(false); // Solve stage two
else if (method.equals("CCR") == true && settings[0][1] == false) // Output-Orientation
solutionTwo = stageTwo.solve_Dual_Basic_Output(false); // Solve stage two
else if (method.equals("BCC") == true && settings[0][1] == true) // Input-Orientation
solutionTwo = stageTwo.solve_Dual_Basic_Input(true); // Solve stage two
else if (method.equals("BCC") == true && settings[0][1] == false) // Output-Orientation
solutionTwo = stageTwo.solve_Dual_Basic_Output(true); // Solve stage two
else if (method.equals("SBM") == true && settings[0][1] == true) // Input-Orientation
solutionTwo = stageTwo.solve_Dual_SBM_Input(); // Solve stage two
else if (method.equals("SBM") == true && settings[0][1] == false) // Output-Orientation
solutionTwo = stageTwo.solve_Dual_SBM_Output(); // Solve stage two
/*else
throw new Exception("Falsche Methodik");*/
solList.add(solutionTwo);
} catch (IloException ex) {
Logger.getLogger(ThreeStageDEA.class.getName()).log(Level.SEVERE, null, ex);
}
double[][] solutionOneTwo =
createSolution(
solutionOne,
solutionTwo); // Create a single solution array containing weights and efficiencies.
// Calculate Stage 3
DEA stageThree = null;
double[][] effTwoFitted = null;
if (settings[1][2] == true) // Efficiency of stage 1 is input of stage 2
{
double[] effTwo = Evaluation.getEfficiency(solutionTwo);
effTwoFitted = fitEfficiency(effTwo);
stageThree = new DEA(dmu, effTwoFitted, output);
} else {
if (settings[2][2] == false) // Input is no combination of efficiency and intermediary product
{
stageThree = new DEA(dmu, interTwo, output);
} else {
double[][] combInterTwo = combineEffInter(Evaluation.getEfficiency(solutionTwo));
stageThree = new DEA(dmu, combInterTwo, output);
}
}
double[][] solutionThree = null;
try {
if (method.equals("CCR") == true && settings[0][2] == true) // Input-Orientation
solutionThree = stageThree.solve_Dual_Basic_Input(false); // Solve stage three
else if (method.equals("CCR") == true && settings[0][2] == false) // Output-Orientation
solutionThree = stageThree.solve_Dual_Basic_Output(false); // Solve stage three
else if (method.equals("BCC") == true && settings[0][2] == true) // Input-Orientation
solutionThree = stageThree.solve_Dual_Basic_Input(true); // Solve stage three
else if (method.equals("BCC") == true && settings[0][2] == false) // Output-Orientation
solutionThree = stageThree.solve_Dual_Basic_Output(true); // Solve stage three
else if (method.equals("SBM") == true && settings[0][2] == true) // Input-Orientation
solutionThree = stageThree.solve_Dual_SBM_Input(); // Solve stage two
else if (method.equals("SBM") == true && settings[0][2] == false) // Output-Orientation
solutionThree = stageThree.solve_Dual_SBM_Output(); // Solve stage two
/*else
throw new Exception("Falsche Methodik");*/
solList.add(solutionThree);
} catch (IloException ex) {
Logger.getLogger(ThreeStageDEA.class.getName()).log(Level.SEVERE, null, ex);
}
double[][] solutionComplete =
createSolution(
solutionOneTwo,
solutionThree); // Create a single solution array containing weights and efficiencies.
return solutionComplete;
}
