1 | using System;
|
---|
2 | using System.Collections;
|
---|
3 | using System.Collections.Generic;
|
---|
4 | using System.Linq;
|
---|
5 | using System.Reflection;
|
---|
6 | using System.Text;
|
---|
7 | using System.Threading.Tasks;
|
---|
8 | using HeuristicLab.Core;
|
---|
9 | using HeuristicLab.Data;
|
---|
10 | using HeuristicLab.Parameters;
|
---|
11 | using Newtonsoft.Json.Linq;
|
---|
12 |
|
---|
13 | namespace HeuristicLab.JsonInterface {
|
---|
14 | public class RegressionProblemDataConverter : BaseConverter {
|
---|
15 | #region Constants
|
---|
16 | private const BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;
|
---|
17 | private const string TestPartition = "TestPartition";
|
---|
18 | private const string TrainingPartition = "TrainingPartition";
|
---|
19 | private const string TargetVariable = "TargetVariable";
|
---|
20 | private const string AllowedInputVariables = "AllowedInputVariables";
|
---|
21 | private const string Dataset = "Dataset";
|
---|
22 | private const string VariableValues = "variableValues";
|
---|
23 | private const string VariableNames = "variableNames";
|
---|
24 | private const string InputVariables = "InputVariables";
|
---|
25 | private const string Rows = "rows";
|
---|
26 | private const string Value = "value";
|
---|
27 | private const string Parameters = "parameters";
|
---|
28 | private const string CheckedItemList = "CheckedItemList";
|
---|
29 | #endregion
|
---|
30 |
|
---|
31 | public override int Priority => 20;
|
---|
32 |
|
---|
33 | // RegressionProblemData
|
---|
34 | public override Type ConvertableType => HEAL.Attic.Mapper.StaticCache.GetType(new Guid("EE612297-B1AF-42D2-BF21-AF9A2D42791C"));
|
---|
35 |
|
---|
36 | public override bool CanConvertType(Type t) =>
|
---|
37 | ConvertableType.IsAssignableFrom(t);
|
---|
38 |
|
---|
39 | public override void Inject(IItem item, IJsonItem data, IJsonItemConverter root) {
|
---|
40 |
|
---|
41 | dynamic regressionProblemData = (dynamic)item;
|
---|
42 |
|
---|
43 | DoubleMatrixJsonItem dataset = null;
|
---|
44 | StringJsonItem targetVariable = null;
|
---|
45 | IntRangeJsonItem testPartition = null;
|
---|
46 | IntRangeJsonItem trainingPartition = null;
|
---|
47 | StringArrayJsonItem allowedInputVariables = null;
|
---|
48 |
|
---|
49 |
|
---|
50 | // search first for the items (cache them, because the
|
---|
51 | // order is important for injection)
|
---|
52 | foreach (var child in data.Children) {
|
---|
53 |
|
---|
54 | if (child.Path.EndsWith(Dataset))
|
---|
55 | dataset = child as DoubleMatrixJsonItem;
|
---|
56 | else if (child.Path.EndsWith(TargetVariable))
|
---|
57 | targetVariable = child as StringJsonItem;
|
---|
58 | else if (child.Path.EndsWith(TestPartition))
|
---|
59 | testPartition = child as IntRangeJsonItem;
|
---|
60 | else if (child.Path.EndsWith(TrainingPartition))
|
---|
61 | trainingPartition = child as IntRangeJsonItem;
|
---|
62 | else if (child.Path.EndsWith(AllowedInputVariables))
|
---|
63 | allowedInputVariables = child as StringArrayJsonItem;
|
---|
64 |
|
---|
65 | }
|
---|
66 |
|
---|
67 | // check data
|
---|
68 | if(!dataset.ColumnNames.Any(x => x == targetVariable.Value)) {
|
---|
69 | throw new Exception($"The value of the target variable ('{targetVariable.Value}') has no matching row name value of the dataset.");
|
---|
70 | }
|
---|
71 |
|
---|
72 | foreach(var v in allowedInputVariables.Value) {
|
---|
73 | if(!dataset.ColumnNames.Any(x => x == v))
|
---|
74 | throw new Exception($"The value of the input variable ('{v}') has no matching row name value of the dataset.");
|
---|
75 | }
|
---|
76 |
|
---|
77 | // inject the value of the items
|
---|
78 | SetDataset(regressionProblemData, dataset);
|
---|
79 | SetTargetVariable(regressionProblemData, targetVariable);
|
---|
80 | SetAllowedInputVariables(regressionProblemData, allowedInputVariables, dataset);
|
---|
81 | SetTestPartition(regressionProblemData, testPartition);
|
---|
82 | SetTrainingPartition(regressionProblemData, trainingPartition);
|
---|
83 |
|
---|
84 | }
|
---|
85 |
|
---|
86 | public override IJsonItem Extract(IItem value, IJsonItemConverter root) {
|
---|
87 | IJsonItem item = new EmptyJsonItem() {
|
---|
88 | Name = value.ItemName,
|
---|
89 | Description = value.ItemDescription
|
---|
90 | };
|
---|
91 |
|
---|
92 | IJsonItem ds = GetDataset(value);
|
---|
93 | if(ds != null)
|
---|
94 | item.AddChildren(ds);
|
---|
95 |
|
---|
96 | item.AddChildren(GetTestPartition(value));
|
---|
97 | item.AddChildren(GetTrainingPartition(value));
|
---|
98 | item.AddChildren(GetTargetVariable(value));
|
---|
99 | item.AddChildren(GetAllowedInputVariables(value));
|
---|
100 | return item;
|
---|
101 | }
|
---|
102 |
|
---|
103 | #region Inject Helper
|
---|
104 | private void SetDataset(dynamic regressionProblemData, DoubleMatrixJsonItem item) {
|
---|
105 | if (item != null) {
|
---|
106 | var dictTmp = new Dictionary<string, IList>();
|
---|
107 | int c = 0;
|
---|
108 | foreach (var col in item.ColumnNames) {
|
---|
109 | dictTmp.Add(col, new List<double>(item.Value[c]));
|
---|
110 | ++c;
|
---|
111 | }
|
---|
112 |
|
---|
113 | object dataset = (object)regressionProblemData.Dataset;
|
---|
114 | var rows = dataset.GetType().GetField(Rows, flags);
|
---|
115 | rows.SetValue(dataset, item.Value[0].Length);
|
---|
116 |
|
---|
117 | var variableNames = dataset.GetType().GetField(VariableNames, flags);
|
---|
118 | variableNames.SetValue(dataset, item.ColumnNames);
|
---|
119 |
|
---|
120 | var dataInfo = dataset.GetType().GetField(VariableValues, flags);
|
---|
121 | dataInfo.SetValue(dataset, dictTmp);
|
---|
122 | }
|
---|
123 | }
|
---|
124 |
|
---|
125 | private void SetTestPartition(dynamic regressionProblemData, IntRangeJsonItem item) {
|
---|
126 | if (item != null) {
|
---|
127 | regressionProblemData.TestPartition.Start = item.MinValue;
|
---|
128 | regressionProblemData.TestPartition.End = item.MaxValue;
|
---|
129 | }
|
---|
130 | }
|
---|
131 |
|
---|
132 | private void SetTrainingPartition(dynamic regressionProblemData, IntRangeJsonItem item) {
|
---|
133 | if (item != null) {
|
---|
134 | regressionProblemData.TrainingPartition.Start = item.MinValue;
|
---|
135 | regressionProblemData.TrainingPartition.End = item.MaxValue;
|
---|
136 | }
|
---|
137 | }
|
---|
138 |
|
---|
139 | private void SetTargetVariable(dynamic regressionProblemData, StringJsonItem item) {
|
---|
140 | if (item != null) {
|
---|
141 | var param = (IConstrainedValueParameter<StringValue>)regressionProblemData.TargetVariableParameter;
|
---|
142 | StringValue v = param.Value;
|
---|
143 | FieldInfo fi = v.GetType().GetField(Value, flags);
|
---|
144 | fi.SetValue(v, item.Value);
|
---|
145 | }
|
---|
146 | }
|
---|
147 |
|
---|
148 | private void SetAllowedInputVariables(dynamic regressionProblemData, StringArrayJsonItem item, IMatrixJsonItem matrix) {
|
---|
149 | if (item != null && regressionProblemData is IParameterizedItem p) {
|
---|
150 | var regProbDataType = ((ParameterizedNamedItem)regressionProblemData).GetType(); //RegressionProblemData
|
---|
151 |
|
---|
152 | var parameterizedNamedItemType = regProbDataType.BaseType.BaseType;
|
---|
153 |
|
---|
154 | // reset parameter
|
---|
155 | var parametersInfo = parameterizedNamedItemType.GetField(Parameters, flags);
|
---|
156 | ParameterCollection col = (ParameterCollection)parametersInfo.GetValue((object)regressionProblemData);
|
---|
157 | var oldParam = (FixedValueParameter<ReadOnlyCheckedItemList<StringValue>>)col[InputVariables];
|
---|
158 | var value = oldParam.Value;
|
---|
159 | PropertyInfo listInfo = value.GetType().GetProperty(CheckedItemList, flags);
|
---|
160 | CheckedItemList<StringValue> checkedItemList = (CheckedItemList<StringValue>)listInfo.GetValue(value);
|
---|
161 | checkedItemList.Clear();
|
---|
162 |
|
---|
163 | // add list items and set their check state (based on allowed input variables)
|
---|
164 | foreach(var i in matrix.ColumnNames) {
|
---|
165 | bool isChecked = false;
|
---|
166 | foreach(var x in item.Value)
|
---|
167 | isChecked = isChecked || (x == i);
|
---|
168 | checkedItemList.Add(new StringValue(i).AsReadOnly(), isChecked);
|
---|
169 | }
|
---|
170 | }
|
---|
171 | }
|
---|
172 | #endregion
|
---|
173 |
|
---|
174 | #region Extract Helper
|
---|
175 | private IJsonItem GetDataset(IItem item) {
|
---|
176 | dynamic val = (dynamic)item;
|
---|
177 | object dataset = (object)val.Dataset;
|
---|
178 | FieldInfo dataInfo = dataset.GetType().GetField(VariableValues, flags);
|
---|
179 |
|
---|
180 | if (dataInfo.GetValue(dataset) is Dictionary<string, IList> dict) {
|
---|
181 | IEnumerator it = dict.Values.First()?.GetEnumerator();
|
---|
182 |
|
---|
183 | if(it != null) {
|
---|
184 | if(it.MoveNext() && it.Current is double) {
|
---|
185 | CreateMatrix(dict, out IList<string> columnNames, out double[][] mat);
|
---|
186 | return new DoubleMatrixJsonItem() {
|
---|
187 | Name = Dataset,
|
---|
188 | Value = mat,
|
---|
189 | ColumnNames = columnNames,
|
---|
190 | Minimum = double.MinValue,
|
---|
191 | Maximum = double.MaxValue
|
---|
192 | };
|
---|
193 | } else if(it.Current is int) {
|
---|
194 | CreateMatrix(dict, out IList<string> columnNames, out int[][] mat);
|
---|
195 | return new IntMatrixJsonItem() {
|
---|
196 | Name = Dataset,
|
---|
197 | Value = mat,
|
---|
198 | ColumnNames = columnNames,
|
---|
199 | Minimum = int.MinValue,
|
---|
200 | Maximum = int.MaxValue
|
---|
201 | };
|
---|
202 | } else if (it.Current is bool) {
|
---|
203 | CreateMatrix(dict, out IList<string> columnNames, out bool[][] mat);
|
---|
204 | return new BoolMatrixJsonItem() {
|
---|
205 | Name = Dataset,
|
---|
206 | Value = mat,
|
---|
207 | ColumnNames = columnNames
|
---|
208 | };
|
---|
209 | }
|
---|
210 | }
|
---|
211 | }
|
---|
212 | return null;
|
---|
213 | }
|
---|
214 |
|
---|
215 | private void CreateMatrix<T>(Dictionary<string, IList> dict, out IList<string> columnNames, out T[][] matrix) {
|
---|
216 | int cols = dict.Count, rows = 0, c = 0;
|
---|
217 | columnNames = new List<string>();
|
---|
218 | matrix = new T[cols][];
|
---|
219 | foreach (var x in dict) {
|
---|
220 | rows = Math.Max(rows, x.Value.Count);
|
---|
221 | columnNames.Add(x.Key);
|
---|
222 |
|
---|
223 | matrix[c] = new T[rows];
|
---|
224 |
|
---|
225 | int r = 0;
|
---|
226 | foreach (var callValue in x.Value) {
|
---|
227 | matrix[c][r] = (T)callValue;
|
---|
228 | ++r;
|
---|
229 | }
|
---|
230 | ++c;
|
---|
231 | }
|
---|
232 | }
|
---|
233 |
|
---|
234 | private IJsonItem GetTestPartition(IItem item) {
|
---|
235 | dynamic val = (dynamic)item;
|
---|
236 | var trainingPartition = (IntRange)val.TrainingPartition;
|
---|
237 | var testPartition = (IntRange)val.TestPartition;
|
---|
238 | return new IntRangeJsonItem() {
|
---|
239 | Name = TestPartition,
|
---|
240 | MinValue = testPartition.Start,
|
---|
241 | MaxValue = testPartition.End,
|
---|
242 | Minimum = 0,
|
---|
243 | Maximum = int.MaxValue //Math.Max(testPartition.End, trainingPartition.End)
|
---|
244 | };
|
---|
245 | }
|
---|
246 |
|
---|
247 | private IJsonItem GetTrainingPartition(IItem item) {
|
---|
248 | dynamic val = (dynamic)item;
|
---|
249 | var trainingPartition = (IntRange)val.TrainingPartition;
|
---|
250 | var testPartition = (IntRange)val.TestPartition;
|
---|
251 | return new IntRangeJsonItem() {
|
---|
252 | Name = TrainingPartition,
|
---|
253 | MinValue = trainingPartition.Start,
|
---|
254 | MaxValue = trainingPartition.End,
|
---|
255 | Minimum = 0,
|
---|
256 | Maximum = int.MaxValue //Math.Max(testPartition.End, trainingPartition.End)
|
---|
257 | };
|
---|
258 | }
|
---|
259 |
|
---|
260 |
|
---|
261 | private IJsonItem GetTargetVariable(IItem item) {
|
---|
262 | var vars = (IEnumerable<StringValue>)((dynamic)item).InputVariables;
|
---|
263 | return new StringJsonItem() {
|
---|
264 | Name = TargetVariable,
|
---|
265 | Value = (string)((dynamic)item).TargetVariable,
|
---|
266 | ConcreteRestrictedItems = vars.Select(x => x.Value)
|
---|
267 | };
|
---|
268 | }
|
---|
269 |
|
---|
270 | private IJsonItem GetAllowedInputVariables(IItem item) {
|
---|
271 | var vars = (IEnumerable<StringValue>)((dynamic)item).InputVariables;
|
---|
272 | return new StringArrayJsonItem() {
|
---|
273 | Name = AllowedInputVariables,
|
---|
274 | Value = ((IEnumerable<string>)((dynamic)item).AllowedInputVariables).ToArray(),
|
---|
275 | ConcreteRestrictedItems = vars.Select(x => x.Value)
|
---|
276 | };
|
---|
277 | }
|
---|
278 | #endregion
|
---|
279 | }
|
---|
280 | }
|
---|