public static void latexOutput(BenchPerformance[] tests, PrintStream ps) {
String header = "\\begin{tabular}{|l|";
for (int i = 0; i < tests.length; i++) header += "r";
header += "|}";
ps.println(header);
ps.println("\\hline");
ps.printf("%35s ", "measure");
for (BenchPerformance t : tests) ps.printf("& %10s ", t.g.getId());
ps.println("\\\\");
ps.println("\\hline");
for (Measures m : Measures.values()) {
// skip if not measured
if (!tests[0].measureValues.containsKey(m)) continue;
ps.printf("%35s ", "\\lstinline~" + m.name() + "~");
for (BenchPerformance t : tests) {
double val = t.measureValues.get(m);
if (m == Measures.MEMORY) val /= 1 << 20;
else val /= 1000;
ps.printf("& %10.3f ", val);
}
ps.println("\\\\");
}
ps.println("\\hline");
ps.println("\\end{tabular}");
}
/**
* Computes performance measures of a tree
*
* @param inst itemsets
* @param smooth =true uses the smoothed models; otherwise uses the unsmoothed models
* @return the performance measures
* @exception Exception if something goes wrong
*/
public final Measures measures(MyDataset inst, boolean smooth) throws Exception {
int i, numItemsets, count;
double sd, y1[], y2[];
Measures measures = new Measures();
errors = this.errors(inst, smooth);
numItemsets = errors.numItemsets - errors.missingItemsets;
y1 = new double[numItemsets];
y2 = new double[numItemsets];
count = 0;
for (i = 0; i <= inst.numItemsets() - 1; i++) {
y1[count] = this.predict(inst.itemset(i), smooth);
y2[count] = inst.itemset(i).getClassValue();
count++;
}
measures.correlation = M5.correlation(y1, y2, numItemsets);
sd = M5.stdDev(inst.getClassIndex(), inst);
if (sd > 0.0) {
measures.meanAbsErr = errors.meanAbsErr;
measures.meanSqrErr = errors.meanSqrErr;
measures.type = 0;
} else {
if (numItemsets >= 1) {
measures.type = 1;
measures.meanAbsErr = errors.meanAbsErr;
measures.meanSqrErr = errors.meanSqrErr;
} else {
measures.type = 2;
measures.meanAbsErr = 0.0;
measures.meanSqrErr = 0.0;
}
}
return measures;
}
@Test
public void testSetData() {
measures.setData(Metric.LCOM4_BLOCKS, "blocks detail");
assertEquals("blocks detail", measures.getData(Metric.LCOM4_BLOCKS));
}
@Test
public void testSetValue() {
measures.setValue(Metric.ACCESSORS, 3);
assertEquals(3, measures.getValue(Metric.ACCESSORS), 0.1);
}
@Test
public void testGetData() {
assertNull(measures.getData(Metric.LCOM4_BLOCKS));
}
@Test
public void testGetValue() {
assertEquals(0, measures.getValue(Metric.ACCESSORS), 0.1);
}