Exemple #1
0
 public static Dataset<? extends Instance> irisDataset() {
   if (irisData == null) {
     CommonFixture tf = new CommonFixture();
     irisData = new SampleDataset();
     ARFFHandler arff = new ARFFHandler();
     try {
       arff.load(tf.irisArff(), irisData, 4);
     } catch (FileNotFoundException | ParserError ex) {
       Exceptions.printStackTrace(ex);
     } catch (IOException ex) {
       Exceptions.printStackTrace(ex);
     }
   }
   return irisData;
 }
Exemple #2
0
 public static Dataset<? extends Instance> schoolData() {
   if (school == null) {
     CsvLoader loader = new CsvLoader();
     school = new ArrayDataset(17, 4);
     school.setName("school data");
     loader.setClassIndex(4);
     loader.setSeparator(' ');
     try {
       loader.load(fixture.schoolData(), school);
     } catch (IOException ex) {
       Exceptions.printStackTrace(ex);
     }
   }
   return school;
 }