double[][] data = createSampleData1(); XYSeries series = new XYSeries("Test"); for (int i = 0; i < 11; i++) { series.add(data[i][0], data[i][1]); } XYDataset ds = new XYSeriesCollection(series); double[] result2 = Regression.getOLSRegression(ds, 0); assertEquals(.25680930, result2[0], 0.0000001); assertEquals(0.72792106, result2[1], 0.0000001);
double[][] data = createSampleData2(); XYSeries series = new XYSeries("Test"); for (int i = 0; i < 10; i++) { series.add(data[i][0], data[i][1]); } XYDataset ds = new XYSeriesCollection(series); double[] result = Regression.getPowerRegression(ds, 0); assertEquals(106.1241681, result[0], 0.0000001); assertEquals(-0.8466615, result[1], 0.0000001);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/data/statistics/junit/RegressionTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/statistics/junit/RegressionTests.java
Method name: void testOLSRegression1b() Method name: void testPowerRegression2b()
Number of AST nodes: 8 Number of AST nodes: 8
1
double[][] data = createSampleData1();
1
double[][] data = createSampleData2();
2
        XYSeries series = new XYSeries("Test");
2
        XYSeries series = new XYSeries("Test");
3
        for (int i = 0; i < 11; i++) {
3
        for (int i = 0; i < 10; i++) {
4
            series.add(data[i][0], data[i][1]);
4
            series.add(data[i][0], data[i][1]);
5
        }
5
        }
6
        XYDataset ds = new XYSeriesCollection(series);
6
        XYDataset ds = new XYSeriesCollection(series);
7
        double[] result2 = Regression.getOLSRegression(ds, 0);
7
        double[] result = Regression.getPowerRegression(ds, 0);
8
        assertEquals(.25680930, result2[0], 0.0000001);
8
        assertEquals(106.1241681, result[0], 0.0000001);
9
        assertEquals(0.72792106, result2[1], 0.0000001);
9
        assertEquals(-0.8466615, result[1], 0.0000001);
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are declared in the same class
Number of node comparisons24
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1039.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    double[][] data = createSampleData1();
    1
    double[][] data = createSampleData1();
    1
    double[][] data = createSampleData2();
    Differences
    Expression1Expression2Difference
    createSampleData1createSampleData2METHOD_INVOCATION_NAME_MISMATCH
    1
    double[][] data = createSampleData2();
    2
    XYSeries series = new XYSeries("Test");
    2
    XYSeries series = new XYSeries("Test");
    3
    for (int i = 0; i < 11; i++)
    3
    for (int i = 0; i < 11; i++)
    3
    for (int i = 0; i < 10; i++)
    Differences
    Expression1Expression2Difference
    1110LITERAL_VALUE_MISMATCH
    3
    for (int i = 0; i < 10; i++)
    4
    series.add(data[i][0], data[i][1]);
    4
    series.add(data[i][0], data[i][1]);
    5
    XYDataset ds = new XYSeriesCollection(series);
    5
    XYDataset ds = new XYSeriesCollection(series);
    6
    double[] result2 = Regression.getOLSRegression(ds, 0);
    6
    double[] result2 = Regression.getOLSRegression(ds, 0);
    6
    double[] result = Regression.getPowerRegression(ds, 0);
    Differences
    Expression1Expression2Difference
    result2resultVARIABLE_NAME_MISMATCH
    getOLSRegressiongetPowerRegressionMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression Regression.getOLSRegression(ds,0) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression Regression.getPowerRegression(ds,0) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    double[] result = Regression.getPowerRegression(ds, 0);
    7
    assertEquals(.25680930, result2[0], 0.0000001);
    7
    assertEquals(.25680930, result2[0], 0.0000001);
    7
    assertEquals(106.1241681, result[0], 0.0000001);
    Differences
    Expression1Expression2Difference
    .25680930106.1241681LITERAL_VALUE_MISMATCH
    result2resultVARIABLE_NAME_MISMATCH
    7
    assertEquals(106.1241681, result[0], 0.0000001);
    8
    assertEquals(0.72792106, result2[1], 0.0000001);
    8
    assertEquals(0.72792106, result2[1], 0.0000001);
    8
    assertEquals(-0.8466615, result[1], 0.0000001);
    Differences
    Expression1Expression2Difference
    0.72792106-0.8466615TYPE_COMPATIBLE_REPLACEMENT
    result2resultVARIABLE_NAME_MISMATCH
    8
    assertEquals(-0.8466615, result[1], 0.0000001);
    Precondition Violations (2)
    Row Violation
    1Expression Regression.getOLSRegression(ds,0) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression Regression.getPowerRegression(ds,0) cannot be parameterized, because it has dependencies to/from statements that will be extracted