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package org.hisp.dhis.outlieranalysis;
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* Copyright (c) 2004-${year}, University of Oslo
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the HISP project nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import java.util.ArrayList;
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import java.util.Collection;
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import org.hisp.dhis.dataelement.DataElement;
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import org.hisp.dhis.dataelement.DataElementCategoryOptionCombo;
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import org.hisp.dhis.datavalue.DeflatedDataValue;
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import org.hisp.dhis.organisationunit.OrganisationUnit;
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import org.hisp.dhis.outlieranalysis.OutlierAnalysisStore;
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import org.hisp.dhis.period.Period;
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import static org.hisp.dhis.system.util.MathUtils.isEqual;
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* @author Dag Haavi Finstad
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* @author Lars Helge Overland
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* @version $Id: DefaultStdDevOutlierAnalysisService.java 1020 2009-06-05 01:30:07Z daghf $
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public class StdDevOutlierAnalysisService
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extends AbstractOutlierAnalysisService
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// -------------------------------------------------------------------------
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// -------------------------------------------------------------------------
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private OutlierAnalysisStore outlierAnalysisStore;
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public void setOutlierAnalysisStore( OutlierAnalysisStore outlierAnalysisStore )
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this.outlierAnalysisStore = outlierAnalysisStore;
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// -------------------------------------------------------------------------
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// OutlierAnalysisService implementation
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// -------------------------------------------------------------------------
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public Collection<OutlierValue> findOutliers( OrganisationUnit organisationUnit, DataElement dataElement,
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DataElementCategoryOptionCombo categoryOptionCombo, Collection<Period> periods, Double stdDevFactor,
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Map<Integer, DataElement> dataElementMap, Map<Integer, Period> periodMap, Map<Integer, OrganisationUnit> organisationUnitMap,
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Map<Integer, DataElementCategoryOptionCombo> categoryOptionComboMap)
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final Collection<OutlierValue> outlierValues = new ArrayList<OutlierValue>();
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Double stdDev = outlierAnalysisStore.getStandardDeviation( dataElement, categoryOptionCombo, organisationUnit );
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if ( !isEqual( stdDev, 0.0 ) ) // No values found or no outliers exist when 0.0
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Double avg = outlierAnalysisStore.getAverage( dataElement, categoryOptionCombo, organisationUnit );
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double deviation = stdDev * stdDevFactor;
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double lowerBound = avg - deviation;
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double upperBound = avg + deviation;
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Collection<DeflatedDataValue> outliers = outlierAnalysisStore.
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getDeflatedDataValues( dataElement, categoryOptionCombo, periods, organisationUnit, lowerBound, upperBound );
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for ( DeflatedDataValue outlier : outliers )
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outlierValues.add( new OutlierValue( dataElementMap.get( outlier.getDataElementId() ), periodMap.get( outlier.getPeriodId() ),
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organisationUnitMap.get( outlier.getSourceId() ), categoryOptionComboMap.get( outlier.getCategoryOptionComboId() ),
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Double.valueOf( outlier.getValue() ), lowerBound, upperBound ) );