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source: trunk/HeuristicLab.DataPreprocessing/3.4/Data/IPreprocessingData.cs @ 16948

Last change on this file since 16948 was 16565, checked in by gkronber, 6 years ago

#2520: merged changes from PersistenceOverhaul branch (r16451:16564) into trunk

File size: 4.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Problems.DataAnalysis;
27using HEAL.Attic;
28
29namespace HeuristicLab.DataPreprocessing {
30  [StorableType("1fd88253-ae07-415f-81df-5b73c61fd495")]
31  public interface IPreprocessingData : INamedItem {
32    #region Cells
33    bool IsCellEmpty(int columnIndex, int rowIndex);
34    T GetCell<T>(int columnIndex, int rowIndex);
35
36    void SetCell<T>(int columnIndex, int rowIndex, T value);
37
38    string GetCellAsString(int columnIndex, int rowIndex);
39
40    IList<T> GetValues<T>(int columnIndex, bool considerSelection = false);
41
42    void SetValues<T>(int columnIndex, IList<T> values);
43    bool SetValue(string value, int columnIndex, int rowIndex);
44
45    int Columns { get; }
46    int Rows { get; }
47    #endregion
48
49    #region Rows
50    void InsertRow(int rowIndex);
51    void DeleteRow(int rowIndex);
52    void DeleteRowsWithIndices(IEnumerable<int> rows);
53    void InsertColumn<T>(string variableName, int columnIndex);
54
55    void DeleteColumn(int columnIndex);
56
57    void RenameColumn(int columnIndex, string name);
58    void RenameColumns(IList<string> names);
59
60    bool AreAllStringColumns(IEnumerable<int> columnIndices);
61    #endregion
62
63    #region Variables
64    IEnumerable<string> VariableNames { get; }
65    IEnumerable<string> GetDoubleVariableNames();
66    string GetVariableName(int columnIndex);
67    int GetColumnIndex(string variableName);
68
69    bool VariableHasType<T>(int columnIndex);
70    Type GetVariableType(int columnIndex);
71
72    IList<string> InputVariables { get; }
73    string TargetVariable { get; } // optional
74    #endregion
75
76    #region Partitions
77    IntRange TrainingPartition { get; }
78    IntRange TestPartition { get; }
79    #endregion
80
81    #region Transformations
82    IList<ITransformation> Transformations { get; }
83    #endregion
84
85    #region Validation
86    bool Validate(string value, out string errorMessage, int columnIndex);
87    #endregion
88
89    #region Import & Export
90    void Import(IDataAnalysisProblemData problemData);
91    Dataset ExportToDataset();
92    #endregion
93
94    #region Selection
95    IDictionary<int, IList<int>> Selection { get; set; }
96    void ClearSelection();
97
98    event EventHandler SelectionChanged;
99    #endregion
100
101    #region Transactions
102    event DataPreprocessingChangedEventHandler Changed;
103
104    bool IsUndoAvailable { get; }
105    void Undo();
106    void InTransaction(Action action, DataPreprocessingChangedEventType type = DataPreprocessingChangedEventType.Any);
107    void BeginTransaction(DataPreprocessingChangedEventType type);
108    void EndTransaction();
109    #endregion
110
111    #region Statistics
112    T GetMin<T>(int columnIndex, bool considerSelection = false, T emptyValue = default(T));
113    T GetMax<T>(int columnIndex, bool considerSelection = false, T emptyValue = default(T));
114    T GetMean<T>(int columnIndex, bool considerSelection = false, T emptyValue = default(T));
115    T GetMedian<T>(int columnIndex, bool considerSelection = false, T emptyValue = default(T)) where T : IComparable<T>;
116    T GetMode<T>(int columnIndex, bool considerSelection = false, T emptyValue = default(T)) where T : IEquatable<T>;
117    T GetStandardDeviation<T>(int columnIndex, bool considerSelection = false, T emptyValue = default(T));
118    T GetVariance<T>(int columnIndex, bool considerSelection = false, T emptyValue = default(T));
119    T GetQuantile<T>(double alpha, int columnIndex, bool considerSelection = false, T emptyValue = default(T)) where T : IComparable<T>;
120    int GetDistinctValues<T>(int columnIndex, bool considerSelection = false);
121
122    int GetMissingValueCount();
123    int GetMissingValueCount(int columnIndex);
124    int GetRowMissingValueCount(int rowIndex);
125    #endregion
126  }
127}
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