public void Test_MemberwiseSet_UsingIndex()
{
// Given
VectorMemberwiseIndexOpertor <object> vectorOperator =
(featureIndex, value) => featureIndex == 1 ? Math.Pow(Convert.ToDouble(value), 2) : value;
var expectedVector = Vector <double> .Build.Dense(new[] { 1.0, 4.0, 3.0, 4.0 });
// When
var actualVector = TestDataBuilder.BuildNumericVector().MemberwiseSet(vectorOperator).NumericVector;
// Then
Assert.True(expectedVector.Equals(actualVector));
}
public IDataVector <TValue> MemberwiseSet(VectorMemberwiseIndexOpertor <TValue> setterAction)
{
var newValues = _values.Select((val, idx) => setterAction(idx, val)).ToList();
return(new DataVector <TValue>(newValues, new List <string>(FeatureNames)));
}
