add percentile information if available

pdb-plotting/src/main/java/org/lucares/recommind/logs/DataSeries.java

@@ -8,6 +8,7 @@ import java.util.Map;
 
 import org.lucares.pdb.plot.api.AggregatorCollection;
 import org.lucares.pdb.plot.api.Limit;
+import org.lucares.pdb.plot.api.Percentiles;
 
 public interface DataSeries {
     public static final Comparator<? super DataSeries> BY_NUMBER_OF_VALUES = (a, b) -> {
@@ -35,6 +36,8 @@ public interface DataSeries {
 
     public double getAverage();
 
+    public Percentiles getPercentiles();
+
     public void setStyle(LineStyle style);
 
     public LineStyle getStyle();
@@ -114,5 +117,4 @@ public interface DataSeries {
 
         return result;
     }
-
 }

pdb-plotting/src/main/java/org/lucares/recommind/logs/FileBackedDataSeries.java

@@ -1,6 +1,8 @@
 package org.lucares.recommind.logs;
 
 import org.lucares.pdb.plot.api.AggregatorCollection;
+import org.lucares.pdb.plot.api.CumulativeDistributionCustomAggregator;
+import org.lucares.pdb.plot.api.Percentiles;
 
 public class FileBackedDataSeries implements DataSeries {
 
@@ -55,11 +57,19 @@ public class FileBackedDataSeries implements DataSeries {
 
     @Override
     public double getAverage() {
-        return csvSummary.getStatsAverage();
+        return Math.round(csvSummary.getStatsAverage() * 10.0) / 10.0;
     }
 
     @Override
     public AggregatorCollection getAggregators() {
         return csvSummary.getAggregators();
     }
+
+    @Override
+    public Percentiles getPercentiles() {
+        return csvSummary.getAggregators()//
+                .getAggregator(CumulativeDistributionCustomAggregator.class)//
+                .map(CumulativeDistributionCustomAggregator::getPercentiles)//
+                .orElse(new Percentiles());
+    }
 }