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Update DataFrameColumn.cs #7659

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b7fb56f
Update DataFrameColumn.cs
Ruslik404 Jul 11, 2026
7bed1f5
Add FieldAwareFactorizationMachineBinaryExtension to AutoML
Ruslik404 Jul 12, 2026
c58756d
Fix compiler error in FFM extension
Ruslik404 Jul 12, 2026
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2 changes: 1 addition & 1 deletion src/Microsoft.Data.Analysis/DataFrameColumn.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -410,7 +410,7 @@ protected Dictionary<long, ICollection<long>> GetGroupedOccurrences<TKey>(DataFr
public virtual bool HasDescription() => false;

/// <summary>
/// Returns a <see cref="StringDataFrameColumn"/> containing the DataType and Length of this column
/// Returns a <see cref="StringDataFrameColumn"/> containing the DataType and Length of this column.
/// </summary>
public virtual StringDataFrameColumn Info()
{
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20 changes: 20 additions & 0 deletions src/Microsoft.ML.AutoML/TrainerExtensions/BinaryTrainerExtensions.cs
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Expand Up @@ -226,6 +226,26 @@ public ITrainerEstimator CreateInstance(MLContext mlContext, IEnumerable<Sweepab
return mlContext.BinaryClassification.Trainers.SymbolicSgdLogisticRegression(options);
}

public PipelineNode CreatePipelineNode(IEnumerable<SweepableParam> sweepParams, ColumnInformation columnInfo)
{
return TrainerExtensionUtil.BuildPipelineNode(TrainerExtensionCatalog.GetTrainerName(this), sweepParams,
columnInfo.LabelColumnName);
}
}
internal class FieldAwareFactorizationMachineBinaryExtension : ITrainerExtension
{
public IEnumerable<SweepableParam> GetHyperparamSweepRanges()
{
return SweepableParams.BuildSdcaParams();
}

public ITrainerEstimator CreateInstance(MLContext mlContext, IEnumerable<SweepableParam> sweepParams,
ColumnInformation columnInfo, IDataView validationSet)
{
var options = TrainerExtensionUtil.CreateOptions<Microsoft.ML.Trainers.FieldAwareFactorizationMachineTrainer.Options>(sweepParams, columnInfo.LabelColumnName);
return mlContext.BinaryClassification.Trainers.FieldAwareFactorizationMachine(options);
}

public PipelineNode CreatePipelineNode(IEnumerable<SweepableParam> sweepParams, ColumnInformation columnInfo)
{
return TrainerExtensionUtil.BuildPipelineNode(TrainerExtensionCatalog.GetTrainerName(this), sweepParams,
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