public void testPi_P_New(ModelNames.Models paramModel)
{
REngine.SetEnvironmentVariables();
REngine engineObj = REngine.GetInstance();
// Loading a library from R
engineObj.Evaluate("library(catR)");
// Polytomous Items
CharacterVector modelName = engineObj.CreateCharacterVector(new string[] { paramModel.EnumToString() });
engineObj.SetSymbol("modelName", modelName);
DataFrame PolyItems = engineObj.Evaluate("PolyItems <- genPolyMatrix(100, 5, model = modelName, same.nrCat = FALSE)").AsDataFrame();
engineObj.SetSymbol("PolyItems", PolyItems);
// Adapting with the existing "CAT-Items" type (Wrapper)
Console.WriteLine("*******************************************");
Console.WriteLine("Polytomous Items, Model : " + paramModel.EnumToString());
Console.WriteLine("*******************************************");
CATItems itemBank = new CATItems(NumOfItems: PolyItems[0].Length, model: paramModel.EnumToString(), nrCat: 5);
for (int i = 0; i < itemBank.colSize; i++)
{
itemBank.all_items_poly[i] = PolyItems[i].Select(y => (double)y).ToArray();
}
PiListPoly objPI = null;
int decimalPoint = 4;
double[] th_Values = CatRcs.Utils.CommonHelper.Sequence(-4, 4, by: 1);
NumericVector th_val = engineObj.CreateNumericVector(new double[] { th_Values[0] });
engineObj.SetSymbol("th_val", th_val);
// Calling the "Pi" from R
GenericVector result_Pi = engineObj.Evaluate("result_Pi <- Pi(th = th_val, PolyItems, model = modelName, D = 1)").AsList();
// Getting the "Pi" function result
NumericVector Pi = result_Pi[0].AsNumeric();
NumericVector dPi = result_Pi[1].AsNumeric();
NumericVector d2Pi = result_Pi[2].AsNumeric();
NumericVector d3Pi = result_Pi[3].AsNumeric();
Console.WriteLine("Value of Theta: " + th_Values[0]);
// Calling "Pi" function
objPI = CatRLib.Pi_P(th_Values[0], itemBank, paramModel.EnumToString(), 1);
#region "Pi"
int z = 0, pi_index = 0;
resultFlag = true;
Console.WriteLine("****** Pi ******");
int len = objPI.Pi.GetLength(0);
int len2 = objPI.Pi.GetLength(1);
for (int i = 0; i < objPI.Pi.GetLength(1); i++) // column
{
z = i + 1; // item number
for (int j = 0; j < objPI.Pi.GetLength(0); j++) // row
{
double tempPiVal = !CatRcs.Utils.CheckNaValues.IsNaNvalue(Pi[pi_index]) ? Pi[pi_index] : 0;
if (decimal.Round(Convert.ToDecimal(tempPiVal), decimalPoint) != decimal.Round(Convert.ToDecimal(objPI.Pi[j, i]), decimalPoint))
{
Console.WriteLine("Test for Item No. # " + z + " is not Passed!");
resultFlag = false;
}
pi_index++;
}
}
Assert.IsTrue(resultFlag);
Console.WriteLine("Values of Pi are Matched!");
#endregion
#region "dPi"
z = 0; pi_index = 0;
resultFlag = true;
Console.WriteLine("****** dPi ******");
for (int i = 0; i < objPI.dPi.GetLength(1); i++) // column
{
z = i + 1; // item number
for (int j = 0; j < objPI.dPi.GetLength(0); j++) // row
{
double tempPiVal = !CatRcs.Utils.CheckNaValues.IsNaNvalue(dPi[pi_index]) ? dPi[pi_index] : 0;
if (decimal.Round(Convert.ToDecimal(tempPiVal), decimalPoint) != decimal.Round(Convert.ToDecimal(objPI.dPi[j, i]), decimalPoint))
{
Console.WriteLine("Test for Item No. # " + z + " is not Passed!");
resultFlag = false;
}
pi_index++;
}
}
Assert.IsTrue(resultFlag);
Console.WriteLine("Values of dPi are Matched!");
#endregion
#region "d2Pi"
z = 0; pi_index = 0;
resultFlag = true;
Console.WriteLine("****** d2Pi ******");
for (int i = 0; i < objPI.d2Pi.GetLength(1); i++) // column
{
z = i + 1; // item number
for (int j = 0; j < objPI.d2Pi.GetLength(0); j++) // row
{
double tempPiVal = !CatRcs.Utils.CheckNaValues.IsNaNvalue(d2Pi[pi_index]) ? d2Pi[pi_index] : 0;
if (decimal.Round(Convert.ToDecimal(tempPiVal), decimalPoint) != decimal.Round(Convert.ToDecimal(objPI.d2Pi[j, i]), decimalPoint))
{
Console.WriteLine("Test for Item No. # " + z + " is not Passed!");
resultFlag = false;
}
pi_index++;
}
}
Assert.IsTrue(resultFlag);
Console.WriteLine("Values of d2Pi are Matched!");
#endregion
#region "d3Pi"
z = 0; pi_index = 0;
resultFlag = true;
Console.WriteLine("****** d3Pi ******");
for (int i = 0; i < objPI.d3Pi.GetLength(1); i++) // column
{
z = i + 1; // item number
for (int j = 0; j < objPI.d3Pi.GetLength(0); j++) // row
{
double tempPiVal = !CatRcs.Utils.CheckNaValues.IsNaNvalue(d3Pi[pi_index]) ? d3Pi[pi_index] : 0;
if (decimal.Round(Convert.ToDecimal(tempPiVal), decimalPoint) != decimal.Round(Convert.ToDecimal(objPI.d3Pi[j, i]), decimalPoint))
{
Console.WriteLine("Test for Item No. # " + z + " is not Passed!");
resultFlag = false;
}
pi_index++;
}
}
Assert.IsTrue(resultFlag);
Console.WriteLine("Values of d3Pi are Matched!");
#endregion
}