+ Documentation
#SPM-17: add work documentation 30m Dokumentation
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@ -8,7 +8,7 @@ import java.io.File;
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import java.io.IOException;
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/**
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* base interface for analysis
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* base interface for analysis.
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*
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* @author Johannes Theiner
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* @version 0.1
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@ -19,7 +19,7 @@ public interface Analysis<T> {
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/**
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* loads data from csv file
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* loads data from csv file.
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*
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* @param file File to analyze
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* @return loaded data in weka format
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@ -37,7 +37,7 @@ public interface Analysis<T> {
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}
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/**
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* result of the analysis
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* result of the analysis.
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*
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* @return result as T
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*/
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@ -11,6 +11,8 @@ import java.util.HashMap;
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import java.util.Map;
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/**
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* Shopping Times Analysis.
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*
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* @author Johannes Theiner
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* @version 0.1
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* @since 0.1
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@ -25,6 +27,11 @@ public class ShoppingTimes implements Analysis<Map<DayHour, Integer>> {
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}
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/**
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* get customer count at specific times.
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*
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* @return Map of Day-Hour Combinations and the corresponding customer count
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*/
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@Override
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public Map<DayHour, Integer> getResult() {
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if (result == null) {
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@ -34,6 +41,7 @@ public class ShoppingTimes implements Analysis<Map<DayHour, Integer>> {
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int hourIndex = 1;
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try {
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//Remove all other attributes
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Remove remove = new Remove();
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remove.setAttributeIndicesArray(keepIndexes);
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remove.setInvertSelection(true);
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@ -43,14 +51,22 @@ public class ShoppingTimes implements Analysis<Map<DayHour, Integer>> {
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ex.printStackTrace();
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}
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/*
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remove all days except one and get the stats
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needed because weka has no other way to combine attributes
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*/
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for (int i = 0; i < instances.attribute(dayIndex).numValues(); i++) {
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String day = instances.attribute(dayIndex).value(i);
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Instances instancesCopy = new Instances(instances, 0, instances.numInstances());
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for (int j = instancesCopy.numInstances() - 1; j >= 0; j--) {
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Instance instance = instancesCopy.get(j);
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if(!instance.stringValue(dayIndex).equals(day))
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instancesCopy.delete(j);
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}
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//get customer count and put into map
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AttributeStats stats = instancesCopy.attributeStats(hourIndex);
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for (int j = 0; j < instancesCopy.attribute(hourIndex).numValues(); j++) {
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DayHour dayHour = new DayHour(day, instancesCopy.attribute(hourIndex).value(j));
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@ -12,7 +12,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertTimeout;
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/**
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* @author Johannes Theiner
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* @author hier Namen eintragen
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* @version 0.1
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* @since 0.1
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**/
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@ -28,7 +28,7 @@ public class ShoppingTimesTest {
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AtomicReference<Map<DayHour, Integer>> results = new AtomicReference<>();
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assertTimeout(Duration.ofMillis(1300), () -> results.set(overview.getResult()));
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assertTimeout(Duration.ofMillis(1700), () -> results.set(overview.getResult()));
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assertEquals(4, results.get().get(new DayHour("Montag", "10-12 Uhr")));
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//TODO: mehr Tests
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