public void TestMetadataPropagation()
{
var data = new[] {
new TestMeta()
{
A = new string[2] {
"A", "B"
}, B = "C", C = new int[2] {
3, 5
}, D = 6
},
new TestMeta()
{
A = new string[2] {
"A", "B"
}, B = "C", C = new int[2] {
5, 3
}, D = 1
},
new TestMeta()
{
A = new string[2] {
"A", "B"
}, B = "C", C = new int[2] {
3, 5
}, D = 6
}
};
var dataView = ComponentCreation.CreateDataView(Env, data);
var termEst = new ValueToKeyMappingEstimator(Env, new[] {
new ValueToKeyMappingTransformer.ColumnInfo("A", "TA", textKeyValues: true),
new ValueToKeyMappingTransformer.ColumnInfo("B", "TB", textKeyValues: true),
new ValueToKeyMappingTransformer.ColumnInfo("C", "TC"),
new ValueToKeyMappingTransformer.ColumnInfo("D", "TD")
});
var termTransformer = termEst.Fit(dataView);
dataView = termTransformer.Transform(dataView);
var pipe = new KeyToBinaryVectorMappingEstimator(Env,
new KeyToBinaryVectorMappingTransformer.ColumnInfo("TA", "CatA"),
new KeyToBinaryVectorMappingTransformer.ColumnInfo("TB", "CatB"),
new KeyToBinaryVectorMappingTransformer.ColumnInfo("TC", "CatC"),
new KeyToBinaryVectorMappingTransformer.ColumnInfo("TD", "CatD"));
var result = pipe.Fit(dataView).Transform(dataView);
ValidateMetadata(result);
Done();
}
