public void RebaseTest()
{
// newBasis is null
{
var cloud = TestableCloud00.Get().Cloud;
string parameterName = "newBasis";
ArgumentExceptionAssert.Throw(
() =>
{
cloud.Rebase(null);
},
expectedType: typeof(ArgumentNullException),
expectedPartialMessage:
ArgumentExceptionAssert.NullPartialMessage,
expectedParameterName: parameterName);
}
// newBasis must have the same dimension of this instance
{
var STR_EXCEPT_PAR_BASES_MUST_SHARE_DIMENSION =
ImplementationServices.GetResourceString(
"STR_EXCEPT_PAR_BASES_MUST_SHARE_DIMENSION");
var cloud = TestableCloud00.Get().Cloud;
string parameterName = "newBasis";
ArgumentExceptionAssert.Throw(
() =>
{
cloud.Rebase(Basis.Standard(cloud.Coordinates.NumberOfColumns + 1));
},
expectedType: typeof(ArgumentOutOfRangeException),
expectedPartialMessage:
STR_EXCEPT_PAR_BASES_MUST_SHARE_DIMENSION,
expectedParameterName: parameterName);
}
CloudTest.Rebase.Succeed(
TestableCloud00.Get());
}
public void GetPrincipalProjectionsTest()
{
var cloud = TestableCloud00.Get().Cloud;
var principalProjections = cloud.GetPrincipalProjections();
DoubleMatrixAssert.AreEqual(
expected: cloud.Basis.GetBasisMatrix(),
actual: principalProjections.ActiveCloud.Basis.GetBasisMatrix(),
delta: CloudTest.Accuracy);
DoubleMatrixAssert.AreEqual(
expected: cloud.Coordinates,
actual: principalProjections.ActiveCloud.Coordinates,
delta: CloudTest.Accuracy);
DoubleMatrixAssert.AreEqual(
expected: cloud.Weights,
actual: principalProjections.ActiveCloud.Weights,
delta: CloudTest.Accuracy);
}
public void StandardizeTest()
{
CloudTest.Standardize.Succeed(
TestableCloud00.Get());
}
public void CentredTest()
{
CloudTest.Center.Succeed(
TestableCloud00.Get());
}
public void CovarianceTest()
{
CloudTest.Covariance.Succeed(
TestableCloud00.Get());
}
public void MeanTest()
{
CloudTest.Mean.Succeed(
TestableCloud00.Get());
}
public void GetVariancesTest()
{
// supplementaryVariables is null - DoubleMatrix
{
string parameterName = "supplementaryVariables";
var cloud = TestableCloud00.Get().Cloud;
ArgumentExceptionAssert.Throw(
() =>
{
cloud.GetVariances((DoubleMatrix)null);
},
expectedType: typeof(ArgumentNullException),
expectedPartialMessage:
ArgumentExceptionAssert.NullPartialMessage,
expectedParameterName: parameterName);
}
// supplementaryVariables is null - ReadOnlyDoubleMatrix
{
string parameterName = "supplementaryVariables";
var cloud = TestableCloud00.Get().Cloud;
ArgumentExceptionAssert.Throw(
() =>
{
cloud.GetVariances((ReadOnlyDoubleMatrix)null);
},
expectedType: typeof(ArgumentNullException),
expectedPartialMessage:
ArgumentExceptionAssert.NullPartialMessage,
expectedParameterName: parameterName);
}
// supplementaryVariables must have as number of rows the number of cloud points
{
var STR_EXCEPT_PAR_ROW_DIM_MUST_MATCH_INDIVIDUALS_COUNT =
ImplementationServices.GetResourceString(
"STR_EXCEPT_PAR_ROW_DIM_MUST_MATCH_INDIVIDUALS_COUNT");
string parameterName = "supplementaryVariables";
var cloud = TestableCloud00.Get().Cloud;
var supplementaryVariables =
DoubleMatrix.Dense(
cloud.Coordinates.NumberOfRows + 1,
10);
ArgumentExceptionAssert.Throw(
() =>
{
cloud.GetVariances(supplementaryVariables);
},
expectedType: typeof(ArgumentOutOfRangeException),
expectedPartialMessage:
STR_EXCEPT_PAR_ROW_DIM_MUST_MATCH_INDIVIDUALS_COUNT,
expectedParameterName: parameterName);
}
// Valid input - DoubleMatrix
{
var cloud = TestableCloud00.Get().Cloud;
var actual = cloud.GetVariances((DoubleMatrix)cloud.Coordinates);
var cov_sa = cloud.Covariance;
var expected = DoubleMatrix.Dense(1, cloud.Coordinates.NumberOfColumns);
for (int i = 0; i < expected.Count; i++)
{
expected[i] = cov_sa[i, i];
}
DoubleMatrixAssert.AreEqual(
expected: expected,
actual: actual,
delta: CloudTest.Accuracy);
}
// Valid input - ReadOnlyDoubleMatrix
{
var cloud = TestableCloud00.Get().Cloud;
var actual = cloud.GetVariances(cloud.Coordinates);
var cov_sa = cloud.Covariance;
var expected = DoubleMatrix.Dense(1, cloud.Coordinates.NumberOfColumns);
for (int i = 0; i < expected.Count; i++)
{
expected[i] = cov_sa[i, i];
}
DoubleMatrixAssert.AreEqual(
expected: expected,
actual: actual,
delta: CloudTest.Accuracy);
}
}
public void BasisTest()
{
CloudTest.Basis.Succeed(
TestableCloud00.Get());
}
public void WeightsTest()
{
CloudTest.Weights.Succeed(
TestableCloud00.Get());
}
public void CoordinatesTest()
{
CloudTest.Coordinates.Succeed(
TestableCloud00.Get());
}