Подготовка к рефакторингу MLCore

Configuration/GlobalAssemblyInfo.cs

@@ -15,7 +15,7 @@ internal static class RevisionClass
 	public const string Major = "3";
 	public const string Minor = "11";
 	public const string Build = "1";
-	public const string Revision = "3826";
+	public const string Revision = "3827";
 
         public const string MainVersion = Major + "." + Minor;
 	public const string FullVersion = Major + "." + Minor + "." + Build + "." + Revision;

Configuration/Version.defs

@@ -1,4 +1,4 @@
-%COREVERSION%=1
-%REVISION%=3826
 %MINOR%=11
+%REVISION%=3827
+%COREVERSION%=1
 %MAJOR%=3

Release/pabcversion.txt

@@ -1 +1 @@
-3.11.1.3826
+3.11.1.3827

ReleaseGenerators/PascalABCNET_version.nsh

@@ -1 +1 @@
-!define VERSION '3.11.1.3826'
+!define VERSION '3.11.1.3827'

VisualPascalABCNET/IB/Debugger/Debugger.cs

@@ -718,7 +718,7 @@ namespace VisualPascalABC
         private NamedValue GetNullBasedArray(Value val)
         {
             IList<FieldInfo> flds = val.Type.GetFields();
-            if (flds.Count != 3) return null;
+            //if (flds.Count != 3) return null;
             foreach (FieldInfo fi in flds)
                 if (fi.Name == "NullBasedArray") return fi.GetValue(val);
             return null;

bin/Lib/MLModelsABC.pas

@@ -39,6 +39,9 @@ uses MLCoreABC;
 uses LinearAlgebraML;
 
 type
+  MatrixPipeline = class;
+  UMatrixPipeline = class;
+
 {$region Activations}
 /// Активационные функции для моделей
   Activations = static class
@@ -1790,6 +1793,15 @@ type
     /// Возвращает сконструированный конвейер.
     static function Build(params steps: array of IPipelineStep): MatrixPipeline;
 
+    /// Строит supervised-конвейер для задачи классификации.
+    static function BuildClassification(params steps: array of IPipelineStep): MatrixPipeline;
+
+    /// Строит supervised-конвейер для задачи регрессии.
+    static function BuildRegression(params steps: array of IPipelineStep): MatrixPipeline;
+
+    /// Строит unsupervised-конвейер для задачи кластеризации.
+    static function BuildClustering(params steps: array of IPipelineStep): UMatrixPipeline;
+    
     /// Устанавливает или заменяет модель.
     function SetModel(m: ISupervisedModel): MatrixPipeline;
   
@@ -8479,6 +8491,24 @@ begin
   Result := pipe;
 end;
 
+class function MatrixPipeline.BuildClassification(params steps: array of IPipelineStep): MatrixPipeline;
+begin
+  var stepsCopy := Copy(steps);
+  Result := Build(stepsCopy);
+end;
+
+class function MatrixPipeline.BuildRegression(params steps: array of IPipelineStep): MatrixPipeline;
+begin
+  var stepsCopy := Copy(steps);
+  Result := Build(stepsCopy);
+end;
+
+class function MatrixPipeline.BuildClustering(params steps: array of IPipelineStep): UMatrixPipeline;
+begin
+  var stepsCopy := Copy(steps);
+  Result := UMatrixPipeline.Build(stepsCopy);
+end;
+
 function MatrixPipeline.Add(t: ITransformer): MatrixPipeline;
 begin
   if t = nil then

bin/Lib/MLPipelineABC.pas

@@ -11,6 +11,12 @@ type
   TaskKind = (tkRegression, tkClassification);
 
 type
+  DataPipeline = class;
+  UDataPipeline = class;
+  ClassificationDataPipeline = class;
+  RegressionDataPipeline = class;
+  ClusteringDataPipeline = class;
+
   PipelineBase = abstract class
   protected
     fDataSteps: List<IPreprocessor>;
@@ -65,12 +71,11 @@ type
   ///   • target — целевая переменная.
   ///
   DataPipeline = class(PipelineBase, IModel)
-  private
+  protected
     fModel: ISupervisedModel;
     fTask: TaskKind;
     fTarget: string;
 
-  protected
     procedure ValidateSchema(df: DataFrame); override;
   public
     /// Создаёт пустой конвейер
@@ -97,6 +102,26 @@ type
       params steps: array of IPipelineStep
     ): DataPipeline;
 
+    /// Строит supervised-конвейер для задачи классификации.
+    static function BuildClassification(
+      target: string;
+      features: array of string;
+      params steps: array of IPipelineStep
+    ): ClassificationDataPipeline;
+
+    /// Строит supervised-конвейер для задачи регрессии.
+    static function BuildRegression(
+      target: string;
+      features: array of string;
+      params steps: array of IPipelineStep
+    ): RegressionDataPipeline;
+
+    /// Строит unsupervised-конвейер для задачи кластеризации.
+    static function BuildClustering(
+      features: array of string;
+      params steps: array of IPipelineStep
+    ): ClusteringDataPipeline;
+
     /// Строит только preprocessing-часть supervised-конвейера без модели.
     /// Модель затем можно присоединить методом WithModel
     static function BuildPreprocessing(
@@ -160,6 +185,18 @@ type
     function Clone: IModel;
   end;
 
+  /// Конвейер DataFrame-предобработки и классификации.
+  /// Специализированный тип будет постепенно получать
+  /// собственный контракт Predict/PredictLabels.
+  ClassificationDataPipeline = class(DataPipeline)
+  end;
+
+  /// Конвейер DataFrame-предобработки и регрессии.
+  /// Специализированный тип будет постепенно получать
+  /// собственный контракт Predict.
+  RegressionDataPipeline = class(DataPipeline)
+  end;
+  
   /// UDataPipeline — конвейер подготовки данных и обучения модели без учителя на DataFrame.
   /// 
   /// Поддерживает два уровня шагов:
@@ -176,12 +213,11 @@ type
   ///   • features — признаки (целевая переменная отсутствует).
   ///
   UDataPipeline = class(PipelineBase, IModel)
-  private
+  protected
     fModel: IUnsupervisedModel;
   
     procedure ValidateNumericFeatures(df: DataFrame);
     function TransformToMatrix(df: DataFrame): Matrix;
-  protected  
     procedure ValidateSchema(df: DataFrame); override;
   public
     /// Создаёт пустой конвейер
@@ -248,6 +284,13 @@ type
     function Clone: IModel;
     
     function Name: string := Self.GetType.Name;
+    
+  end;  
+
+  /// Конвейер DataFrame-предобработки и кластеризации.
+  /// Специализированный тип будет постепенно получать
+  /// собственный контракт Predict.
+  ClusteringDataPipeline = class(UDataPipeline)
   end;
   
 implementation
@@ -598,9 +641,7 @@ begin
     if f = target then
       ArgumentError(ER_DATAPIPE_TARGET_IN_FEATURES, target);
 
-  if (steps = nil) or (Length(steps) = 0) then
-    ArgumentError(ER_PIPELINE_NO_STEPS);
-
+  if steps <> nil then
     for var i := 0 to High(steps) do
     begin
       var step := steps[i];
@@ -674,6 +715,77 @@ begin
       .WithModel(last as ISupervisedModel);
 end;
 
+class function DataPipeline.BuildClassification(
+  target: string;
+  features: array of string;
+  params steps: array of IPipelineStep
+): ClassificationDataPipeline;
+begin
+  ValidateFeatureList(features);
+
+  if (target = nil) or (target = '') then
+    ArgumentError(ER_TARGET_EMPTY);
+
+  foreach var f in features do
+    if f = target then
+      ArgumentError(ER_DATAPIPE_TARGET_IN_FEATURES, target);
+
+  var p := new ClassificationDataPipeline;
+  p.fTarget := target;
+  p.fFeatures := Copy(features);
+  p.fTask := TaskKind.tkClassification;
+
+  if steps <> nil then
+    for var i := 0 to High(steps) do
+      p.Add(steps[i]);
+
+  Result := p;
+end;
+
+class function DataPipeline.BuildRegression(
+  target: string;
+  features: array of string;
+  params steps: array of IPipelineStep
+): RegressionDataPipeline;
+begin
+  ValidateFeatureList(features);
+
+  if (target = nil) or (target = '') then
+    ArgumentError(ER_TARGET_EMPTY);
+
+  foreach var f in features do
+    if f = target then
+      ArgumentError(ER_DATAPIPE_TARGET_IN_FEATURES, target);
+
+  var p := new RegressionDataPipeline;
+  p.fTarget := target;
+  p.fFeatures := Copy(features);
+  p.fTask := TaskKind.tkRegression;
+
+  if steps <> nil then
+    for var i := 0 to High(steps) do
+      p.Add(steps[i]);
+
+  Result := p;
+end;
+
+class function DataPipeline.BuildClustering(
+  features: array of string;
+  params steps: array of IPipelineStep
+): ClusteringDataPipeline;
+begin
+  ValidateFeatureList(features);
+
+  var p := new ClusteringDataPipeline;
+  p.fFeatures := Copy(features);
+
+  if steps <> nil then
+    for var i := 0 to High(steps) do
+      p.Add(steps[i]);
+
+  Result := p;
+end;
+
 function DataPipeline.WithModel(model: ISupervisedModel): DataPipeline;
 begin
   if model = nil then
@@ -1005,9 +1117,7 @@ class function UDataPipeline.BuildPreprocessing(features: array of string;
 begin
   ValidateFeatureList(features);
 
-  if (steps = nil) or (Length(steps) = 0) then
-    ArgumentError(ER_PIPELINE_NO_STEPS);
-
+  if steps <> nil then
     for var i := 0 to High(steps) do
     begin
       var step := steps[i];
@@ -1022,6 +1132,7 @@ begin
   var p := new UDataPipeline;
   p.fFeatures := Copy(features);
 
+  if steps <> nil then
     for var i := 0 to High(steps) do
       p.Add(steps[i]);