public void LogitLinkFunctionConstructorTest()
{
LogitLinkFunction target = new LogitLinkFunction();
Assert.AreEqual(0, target.A);
Assert.AreEqual(1, target.B);
for (int i = 0; i < 11; i++)
{
double x = i / 10.0;
double y = Math.Log(x) - Math.Log(1 - x);
Assert.AreEqual(y, target.Function(x), 1e-10);
Assert.AreEqual(x, target.Inverse(y), 1e-10);
}
}
public void LogitLinkFunctionConstructorTest1()
{
double beta = 3.14;
double constant = 2.91;
LogitLinkFunction target = new LogitLinkFunction(beta, constant);
Assert.AreEqual(constant, target.A);
Assert.AreEqual(beta, target.B);
for (int i = 0; i < 11; i++)
{
double x = i / 10.0;
double y = ((Math.Log(x) - Math.Log(1 - x)) - constant) / beta;
Assert.AreEqual(y, target.Function(x), 1e-10);
Assert.AreEqual(x, target.Inverse(y), 1e-10);
}
}
