135 lines
4.9 KiB
C++
135 lines
4.9 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: StatisticsHelper.hxx,v $
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* $Revision: 1.4 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef CHART2_STATISTICSHELPER_HXX
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#define CHART2_STATISTICSHELPER_HXX
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <com/sun/star/chart2/data/XDataSource.hpp>
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#include <com/sun/star/chart2/data/XDataProvider.hpp>
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#include <com/sun/star/chart2/XDataSeries.hpp>
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namespace chart
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{
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class StatisticsHelper
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{
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public:
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/** Calculates 1/n * sum (x_i - x_mean)^2.
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@see http://mathworld.wolfram.com/Variance.html
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@param bUnbiasedEstimator
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If true, 1/(n-1) * sum (x_i - x_mean)^2 is returned.
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*/
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static double getVariance( const ::com::sun::star::uno::Sequence< double > & rData,
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bool bUnbiasedEstimator = false );
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// square root of the variance
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static double getStandardDeviation( const ::com::sun::star::uno::Sequence< double > & rData );
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// also called "Standard deviation of the mean (SDOM)"
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static double getStandardError( const ::com::sun::star::uno::Sequence< double > & rData );
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static ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::data::XLabeledDataSequence >
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getErrorLabeledDataSequenceFromDataSource(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::data::XDataSource > & xDataSource,
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bool bPositiveValue,
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bool bYError = true );
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static ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::data::XDataSequence >
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getErrorDataSequenceFromDataSource(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::data::XDataSource > & xDataSource,
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bool bPositiveValue,
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bool bYError = true );
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static double getErrorFromDataSource(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::data::XDataSource > & xDataSource,
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sal_Int32 nIndex,
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bool bPositiveValue,
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bool bYError = true );
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static void setErrorDataSequence(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::data::XDataSource > & xDataSource,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::data::XDataProvider > & xDataProvider,
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const ::rtl::OUString & rNewRange,
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bool bPositiveValue,
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bool bYError = true,
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::rtl::OUString * pXMLRange = 0 );
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/// @return the newly created or existing error bar object
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static ::com::sun::star::uno::Reference<
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::com::sun::star::beans::XPropertySet >
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addErrorBars(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::XDataSeries > & xDataSeries,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::uno::XComponentContext > & xContext,
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sal_Int32 nStyle,
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bool bYError = true );
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static ::com::sun::star::uno::Reference<
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::com::sun::star::beans::XPropertySet >
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getErrorBars(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::XDataSeries > & xDataSeries,
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bool bYError = true );
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static bool hasErrorBars(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::XDataSeries > & xDataSeries,
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bool bYError = true );
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static void removeErrorBars(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::XDataSeries > & xDataSeries,
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bool bYError = true );
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static bool usesErrorBarRanges(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::XDataSeries > & xDataSeries,
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bool bYError = true );
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private:
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// not implemented
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StatisticsHelper();
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};
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} // namespace chart
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// CHART2_STATISTICSHELPER_HXX
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#endif
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