public static DataVectorContract Create(DataVector dataVector)
{
return new DataVectorContract()
{
Data = dataVector.Data,
Label = dataVector.Label,
Dimension = dataVector.Dimension
};
}
public void Test_GetSubset_ByColumns_UsingColumnNames()
{
var vec = new DataVector<object>(new object[] { "aa", 50, "bb" }, new[] { "f1", "f2", "f3" });
vec.MemberwiseSet((string name, object val) => name == "f1" ? name.ToUpper() : name.ToUpper());
// Given
var newDataTable = new DataTable
{
Columns =
{
new DataColumn("Col1", typeof(string)),
new DataColumn("Col3", typeof(string))
},
Rows =
{
new object[] { "a1.1", "b1.2" },
new object[] { "a2.1", "b2.2" },
new object[] { "a3.1", "b3.2" }
}
};
var expectedDataFrame = new DataFrame(newDataTable, new[] { 100, 101, 102 });
// When
var actualDataFrame = _subject.GetSubsetByColumns(new[] { "Col1", "Col3" });
// Then
Assert.IsTrue(expectedDataFrame.Equals(actualDataFrame));
}
public void Test_GetRowVector_StronglyTypedVersion_UseRowName()
{
// Given
var expectedVector = new DataVector<string>(new[] { "a1.1", "1", "b1.2", "2" }, _subject.ColumnNames);
// When
var actualVector = _subject.GetRowVector<string>(100, true);
// Then
Assert.AreEqual(expectedVector, actualVector);
}
public void Test_GetRowVector_ObjectBasedVersion_UseRowName()
{
// Given
var expectedVector = new DataVector<object>(new object[] { "a1.1", 1, "b1.2", 2 }, _subject.ColumnNames);
// When
var actualVector = _subject.GetRowVector(100, true);
// Then
Assert.AreEqual(expectedVector, actualVector);
}
public void Test_GetColumnVector_ByName_StronglyTypedVarsion()
{
// Given
var expectedVector = new DataVector<string>(new[] { "a1.1", "a2.1", "a3.1" }, "Col1");
// When
var actualVector = _subject.GetColumnVector<string>("Col1");
// Then
Assert.IsTrue(expectedVector.Equals(actualVector));
}
public void Test_GetColumnVector_ByIndex_ObjectVarsion()
{
// Given
var expectedVector = new DataVector<object>(new object[] { "a1.1", "a2.1", "a3.1" }, "C1");
// When
var actualVector = _subject.GetColumnVector<object>(0);
// Then
Assert.AreEqual(expectedVector, actualVector);
}
