1*de7b3f82SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*de7b3f82SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*de7b3f82SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*de7b3f82SAndrew Rist * distributed with this work for additional information 6*de7b3f82SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*de7b3f82SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*de7b3f82SAndrew Rist * "License"); you may not use this file except in compliance 9*de7b3f82SAndrew Rist * with the License. You may obtain a copy of the License at 10*de7b3f82SAndrew Rist * 11*de7b3f82SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*de7b3f82SAndrew Rist * 13*de7b3f82SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*de7b3f82SAndrew Rist * software distributed under the License is distributed on an 15*de7b3f82SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*de7b3f82SAndrew Rist * KIND, either express or implied. See the License for the 17*de7b3f82SAndrew Rist * specific language governing permissions and limitations 18*de7b3f82SAndrew Rist * under the License. 19*de7b3f82SAndrew Rist * 20*de7b3f82SAndrew Rist *************************************************************/ 21*de7b3f82SAndrew Rist 22*de7b3f82SAndrew Rist 23cdf0e10cSrcweir #ifndef CHART2_STATISTICSHELPER_HXX 24cdf0e10cSrcweir #define CHART2_STATISTICSHELPER_HXX 25cdf0e10cSrcweir 26cdf0e10cSrcweir #include <com/sun/star/uno/Sequence.hxx> 27cdf0e10cSrcweir #include <com/sun/star/uno/XComponentContext.hpp> 28cdf0e10cSrcweir #include <com/sun/star/chart2/data/XDataSource.hpp> 29cdf0e10cSrcweir #include <com/sun/star/chart2/data/XDataProvider.hpp> 30cdf0e10cSrcweir #include <com/sun/star/chart2/XDataSeries.hpp> 31cdf0e10cSrcweir #include "charttoolsdllapi.hxx" 32cdf0e10cSrcweir 33cdf0e10cSrcweir namespace chart 34cdf0e10cSrcweir { 35cdf0e10cSrcweir 36cdf0e10cSrcweir class OOO_DLLPUBLIC_CHARTTOOLS StatisticsHelper 37cdf0e10cSrcweir { 38cdf0e10cSrcweir public: 39cdf0e10cSrcweir /** Calculates 1/n * sum (x_i - x_mean)^2. 40cdf0e10cSrcweir 41cdf0e10cSrcweir @see http://mathworld.wolfram.com/Variance.html 42cdf0e10cSrcweir 43cdf0e10cSrcweir @param bUnbiasedEstimator 44cdf0e10cSrcweir If true, 1/(n-1) * sum (x_i - x_mean)^2 is returned. 45cdf0e10cSrcweir */ 46cdf0e10cSrcweir static double getVariance( const ::com::sun::star::uno::Sequence< double > & rData, 47cdf0e10cSrcweir bool bUnbiasedEstimator = false ); 48cdf0e10cSrcweir 49cdf0e10cSrcweir // square root of the variance 50cdf0e10cSrcweir static double getStandardDeviation( const ::com::sun::star::uno::Sequence< double > & rData ); 51cdf0e10cSrcweir 52cdf0e10cSrcweir // also called "Standard deviation of the mean (SDOM)" 53cdf0e10cSrcweir static double getStandardError( const ::com::sun::star::uno::Sequence< double > & rData ); 54cdf0e10cSrcweir 55cdf0e10cSrcweir static ::com::sun::star::uno::Reference< 56cdf0e10cSrcweir ::com::sun::star::chart2::data::XLabeledDataSequence > 57cdf0e10cSrcweir getErrorLabeledDataSequenceFromDataSource( 58cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 59cdf0e10cSrcweir ::com::sun::star::chart2::data::XDataSource > & xDataSource, 60cdf0e10cSrcweir bool bPositiveValue, 61cdf0e10cSrcweir bool bYError = true ); 62cdf0e10cSrcweir 63cdf0e10cSrcweir static ::com::sun::star::uno::Reference< 64cdf0e10cSrcweir ::com::sun::star::chart2::data::XDataSequence > 65cdf0e10cSrcweir getErrorDataSequenceFromDataSource( 66cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 67cdf0e10cSrcweir ::com::sun::star::chart2::data::XDataSource > & xDataSource, 68cdf0e10cSrcweir bool bPositiveValue, 69cdf0e10cSrcweir bool bYError = true ); 70cdf0e10cSrcweir 71cdf0e10cSrcweir static double getErrorFromDataSource( 72cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 73cdf0e10cSrcweir ::com::sun::star::chart2::data::XDataSource > & xDataSource, 74cdf0e10cSrcweir sal_Int32 nIndex, 75cdf0e10cSrcweir bool bPositiveValue, 76cdf0e10cSrcweir bool bYError = true ); 77cdf0e10cSrcweir 78cdf0e10cSrcweir static void setErrorDataSequence( 79cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 80cdf0e10cSrcweir ::com::sun::star::chart2::data::XDataSource > & xDataSource, 81cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 82cdf0e10cSrcweir ::com::sun::star::chart2::data::XDataProvider > & xDataProvider, 83cdf0e10cSrcweir const ::rtl::OUString & rNewRange, 84cdf0e10cSrcweir bool bPositiveValue, 85cdf0e10cSrcweir bool bYError = true, 86cdf0e10cSrcweir ::rtl::OUString * pXMLRange = 0 ); 87cdf0e10cSrcweir 88cdf0e10cSrcweir /// @return the newly created or existing error bar object 89cdf0e10cSrcweir static ::com::sun::star::uno::Reference< 90cdf0e10cSrcweir ::com::sun::star::beans::XPropertySet > 91cdf0e10cSrcweir addErrorBars( 92cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 93cdf0e10cSrcweir ::com::sun::star::chart2::XDataSeries > & xDataSeries, 94cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 95cdf0e10cSrcweir ::com::sun::star::uno::XComponentContext > & xContext, 96cdf0e10cSrcweir sal_Int32 nStyle, 97cdf0e10cSrcweir bool bYError = true ); 98cdf0e10cSrcweir 99cdf0e10cSrcweir static ::com::sun::star::uno::Reference< 100cdf0e10cSrcweir ::com::sun::star::beans::XPropertySet > 101cdf0e10cSrcweir getErrorBars( 102cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 103cdf0e10cSrcweir ::com::sun::star::chart2::XDataSeries > & xDataSeries, 104cdf0e10cSrcweir bool bYError = true ); 105cdf0e10cSrcweir 106cdf0e10cSrcweir static bool hasErrorBars( 107cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 108cdf0e10cSrcweir ::com::sun::star::chart2::XDataSeries > & xDataSeries, 109cdf0e10cSrcweir bool bYError = true ); 110cdf0e10cSrcweir 111cdf0e10cSrcweir static void removeErrorBars( 112cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 113cdf0e10cSrcweir ::com::sun::star::chart2::XDataSeries > & xDataSeries, 114cdf0e10cSrcweir bool bYError = true ); 115cdf0e10cSrcweir 116cdf0e10cSrcweir static bool usesErrorBarRanges( 117cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 118cdf0e10cSrcweir ::com::sun::star::chart2::XDataSeries > & xDataSeries, 119cdf0e10cSrcweir bool bYError = true ); 120cdf0e10cSrcweir 121cdf0e10cSrcweir private: 122cdf0e10cSrcweir // not implemented 123cdf0e10cSrcweir StatisticsHelper(); 124cdf0e10cSrcweir }; 125cdf0e10cSrcweir 126cdf0e10cSrcweir } // namespace chart 127cdf0e10cSrcweir 128cdf0e10cSrcweir // CHART2_STATISTICSHELPER_HXX 129cdf0e10cSrcweir #endif 130