public static Example exampleFromString(String data, DataSetSpecification dataSetSpec, Char separator) { Dictionary<String, LearningAttribute> attributes = new Dictionary<String, LearningAttribute>(); List<String> attributeValues = new List<String>(); string [] vals = data.Split(new char[] { ' ', '\t', ',' }); foreach (string v in vals) { if (!String.IsNullOrWhiteSpace(v)) { attributeValues.Add(v); } } if (dataSetSpec.isValid(attributeValues)) { List<String> names = dataSetSpec.getAttributeNames(); List<String>.Enumerator nameiter = names.GetEnumerator(); List<String>.Enumerator valueiter = attributeValues.GetEnumerator(); while (nameiter.MoveNext() && valueiter.MoveNext()) { String name = nameiter.Current; AttributeSpecification attributeSpec = dataSetSpec .getAttributeSpecFor(name); LearningAttribute attribute = attributeSpec.createAttribute(valueiter.Current); attributes.Add(name, attribute); } String targetAttributeName = dataSetSpec.getTarget(); return new Example(attributes, attributes[targetAttributeName]); } else { throw new ApplicationException("Unable to construct Example from " + data); } }
// // PUBLIC METHODS // public FOLDataSetDomain(DataSetSpecification dataSetSpecification, String trueGoalValue) { this.dataSetSpecification = dataSetSpecification; this.trueGoalValue = trueGoalValue; constructFOLDomain(); }
public static DataSetSpecification createIrisDataSetSpec() { DataSetSpecification dss = new DataSetSpecification(); dss.defineNumericAttribute("sepal_length"); dss.defineNumericAttribute("sepal_width"); dss.defineNumericAttribute("petal_length"); dss.defineNumericAttribute("petal_width"); dss.defineStringAttribute("plant_category", new String[] { "setosa", "versicolor", "virginica" }); return(dss); }
public DataSet fromFile(String filename, DataSetSpecification spec, Char separator) { // assumed file in data directory and ends in .csv DataSet ds = new DataSet(spec); using (StreamReader reader = new StreamReader(typeof(DataSetFactory).Assembly.GetManifestResourceStream("AIMA.Resource." + filename))) { String line; while ((line = reader.ReadLine()) != null) { ds.add(exampleFromString(line, spec, separator)); } } return ds; }
public DataSet fromFile(String filename, DataSetSpecification spec, Char separator) { // assumed file in data directory and ends in .csv DataSet ds = new DataSet(spec); using (StreamReader reader = new StreamReader(typeof(DataSetFactory).Assembly.GetManifestResourceStream("AIMA.Resource." + filename))) { String line; while ((line = reader.ReadLine()) != null) { ds.add(exampleFromString(line, spec, separator)); } } return(ds); }
public static DataSetSpecification createRestaurantDataSetSpec() { DataSetSpecification dss = new DataSetSpecification(); dss.defineStringAttribute("alternate", Util.yesno()); dss.defineStringAttribute("bar", Util.yesno()); dss.defineStringAttribute("fri/sat", Util.yesno()); dss.defineStringAttribute("hungry", Util.yesno()); dss.defineStringAttribute("patrons", new String[] { "None", "Some", "Full" }); dss.defineStringAttribute("price", new String[] { "$", "$$", "$$$" }); dss.defineStringAttribute("raining", Util.yesno()); dss.defineStringAttribute("reservation", Util.yesno()); dss.defineStringAttribute("type", new String[] { "French", "Italian", "Thai", "Burger" }); dss.defineStringAttribute("wait_estimate", new String[] { "0-10", "10-30", "30-60", ">60" }); dss.defineStringAttribute("will_wait", Util.yesno()); // last attribute is the target attribute unless the target is // explicitly reset with dss.setTarget(name) return dss; }
public static DataSetSpecification createRestaurantDataSetSpec() { DataSetSpecification dss = new DataSetSpecification(); dss.defineStringAttribute("alternate", Util.yesno()); dss.defineStringAttribute("bar", Util.yesno()); dss.defineStringAttribute("fri/sat", Util.yesno()); dss.defineStringAttribute("hungry", Util.yesno()); dss.defineStringAttribute("patrons", new String[] { "None", "Some", "Full" }); dss.defineStringAttribute("price", new String[] { "$", "$$", "$$$" }); dss.defineStringAttribute("raining", Util.yesno()); dss.defineStringAttribute("reservation", Util.yesno()); dss.defineStringAttribute("type", new String[] { "French", "Italian", "Thai", "Burger" }); dss.defineStringAttribute("wait_estimate", new String[] { "0-10", "10-30", "30-60", ">60" }); dss.defineStringAttribute("will_wait", Util.yesno()); // last attribute is the target attribute unless the target is // explicitly reset with dss.setTarget(name) return(dss); }
public static Example exampleFromString(String data, DataSetSpecification dataSetSpec, Char separator) { Dictionary <String, LearningAttribute> attributes = new Dictionary <String, LearningAttribute>(); List <String> attributeValues = new List <String>(); string [] vals = data.Split(new char[] { ' ', '\t', ',' }); foreach (string v in vals) { if (!String.IsNullOrWhiteSpace(v)) { attributeValues.Add(v); } } if (dataSetSpec.isValid(attributeValues)) { List <String> names = dataSetSpec.getAttributeNames(); List <String> .Enumerator nameiter = names.GetEnumerator(); List <String> .Enumerator valueiter = attributeValues.GetEnumerator(); while (nameiter.MoveNext() && valueiter.MoveNext()) { String name = nameiter.Current; AttributeSpecification attributeSpec = dataSetSpec .getAttributeSpecFor(name); LearningAttribute attribute = attributeSpec.createAttribute(valueiter.Current); attributes.Add(name, attribute); } String targetAttributeName = dataSetSpec.getTarget(); return(new Example(attributes, attributes[targetAttributeName])); } else { throw new ApplicationException("Unable to construct Example from " + data); } }
public DataSet(DataSetSpecification spec) { examples = new List<Example>(); this.specification = spec; }
/** * @param specification * The specification to set. USE SPARINGLY for testing etc .. * makes no semantic sense */ public void setSpecification(DataSetSpecification specification) { this.specification = specification; }
public DataSet(DataSetSpecification spec) { examples = new List <Example>(); this.specification = spec; }
public static DataSet getIrisDataSet() { DataSetSpecification spec = createIrisDataSetSpec(); return(new DataSetFactory().fromFile("iris.csv", spec, ',')); }
public static DataSet getRestaurantDataSet() { DataSetSpecification spec = createRestaurantDataSetSpec(); return(new DataSetFactory().fromFile("restaurant.csv", spec, '\t')); }
public static DataSetSpecification createIrisDataSetSpec() { DataSetSpecification dss = new DataSetSpecification(); dss.defineNumericAttribute("sepal_length"); dss.defineNumericAttribute("sepal_width"); dss.defineNumericAttribute("petal_length"); dss.defineNumericAttribute("petal_width"); dss.defineStringAttribute("plant_category", new String[] { "setosa", "versicolor", "virginica" }); return dss; }