1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski #ifndef CHART2_STATISTICSHELPER_HXX 24*b1cdbd2cSJim Jagielski #define CHART2_STATISTICSHELPER_HXX 25*b1cdbd2cSJim Jagielski 26*b1cdbd2cSJim Jagielski #include <com/sun/star/uno/Sequence.hxx> 27*b1cdbd2cSJim Jagielski #include <com/sun/star/uno/XComponentContext.hpp> 28*b1cdbd2cSJim Jagielski #include <com/sun/star/chart2/data/XDataSource.hpp> 29*b1cdbd2cSJim Jagielski #include <com/sun/star/chart2/data/XDataProvider.hpp> 30*b1cdbd2cSJim Jagielski #include <com/sun/star/chart2/XDataSeries.hpp> 31*b1cdbd2cSJim Jagielski #include "charttoolsdllapi.hxx" 32*b1cdbd2cSJim Jagielski 33*b1cdbd2cSJim Jagielski namespace chart 34*b1cdbd2cSJim Jagielski { 35*b1cdbd2cSJim Jagielski 36*b1cdbd2cSJim Jagielski class OOO_DLLPUBLIC_CHARTTOOLS StatisticsHelper 37*b1cdbd2cSJim Jagielski { 38*b1cdbd2cSJim Jagielski public: 39*b1cdbd2cSJim Jagielski /** Calculates 1/n * sum (x_i - x_mean)^2. 40*b1cdbd2cSJim Jagielski 41*b1cdbd2cSJim Jagielski @see http://mathworld.wolfram.com/Variance.html 42*b1cdbd2cSJim Jagielski 43*b1cdbd2cSJim Jagielski @param bUnbiasedEstimator 44*b1cdbd2cSJim Jagielski If true, 1/(n-1) * sum (x_i - x_mean)^2 is returned. 45*b1cdbd2cSJim Jagielski */ 46*b1cdbd2cSJim Jagielski static double getVariance( const ::com::sun::star::uno::Sequence< double > & rData, 47*b1cdbd2cSJim Jagielski bool bUnbiasedEstimator = false ); 48*b1cdbd2cSJim Jagielski 49*b1cdbd2cSJim Jagielski // square root of the variance 50*b1cdbd2cSJim Jagielski static double getStandardDeviation( const ::com::sun::star::uno::Sequence< double > & rData ); 51*b1cdbd2cSJim Jagielski 52*b1cdbd2cSJim Jagielski // also called "Standard deviation of the mean (SDOM)" 53*b1cdbd2cSJim Jagielski static double getStandardError( const ::com::sun::star::uno::Sequence< double > & rData ); 54*b1cdbd2cSJim Jagielski 55*b1cdbd2cSJim Jagielski static ::com::sun::star::uno::Reference< 56*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::data::XLabeledDataSequence > 57*b1cdbd2cSJim Jagielski getErrorLabeledDataSequenceFromDataSource( 58*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 59*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::data::XDataSource > & xDataSource, 60*b1cdbd2cSJim Jagielski bool bPositiveValue, 61*b1cdbd2cSJim Jagielski bool bYError = true ); 62*b1cdbd2cSJim Jagielski 63*b1cdbd2cSJim Jagielski static ::com::sun::star::uno::Reference< 64*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::data::XDataSequence > 65*b1cdbd2cSJim Jagielski getErrorDataSequenceFromDataSource( 66*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 67*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::data::XDataSource > & xDataSource, 68*b1cdbd2cSJim Jagielski bool bPositiveValue, 69*b1cdbd2cSJim Jagielski bool bYError = true ); 70*b1cdbd2cSJim Jagielski 71*b1cdbd2cSJim Jagielski static double getErrorFromDataSource( 72*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 73*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::data::XDataSource > & xDataSource, 74*b1cdbd2cSJim Jagielski sal_Int32 nIndex, 75*b1cdbd2cSJim Jagielski bool bPositiveValue, 76*b1cdbd2cSJim Jagielski bool bYError = true ); 77*b1cdbd2cSJim Jagielski 78*b1cdbd2cSJim Jagielski static void setErrorDataSequence( 79*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 80*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::data::XDataSource > & xDataSource, 81*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 82*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::data::XDataProvider > & xDataProvider, 83*b1cdbd2cSJim Jagielski const ::rtl::OUString & rNewRange, 84*b1cdbd2cSJim Jagielski bool bPositiveValue, 85*b1cdbd2cSJim Jagielski bool bYError = true, 86*b1cdbd2cSJim Jagielski ::rtl::OUString * pXMLRange = 0 ); 87*b1cdbd2cSJim Jagielski 88*b1cdbd2cSJim Jagielski /// @return the newly created or existing error bar object 89*b1cdbd2cSJim Jagielski static ::com::sun::star::uno::Reference< 90*b1cdbd2cSJim Jagielski ::com::sun::star::beans::XPropertySet > 91*b1cdbd2cSJim Jagielski addErrorBars( 92*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 93*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::XDataSeries > & xDataSeries, 94*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 95*b1cdbd2cSJim Jagielski ::com::sun::star::uno::XComponentContext > & xContext, 96*b1cdbd2cSJim Jagielski sal_Int32 nStyle, 97*b1cdbd2cSJim Jagielski bool bYError = true ); 98*b1cdbd2cSJim Jagielski 99*b1cdbd2cSJim Jagielski static ::com::sun::star::uno::Reference< 100*b1cdbd2cSJim Jagielski ::com::sun::star::beans::XPropertySet > 101*b1cdbd2cSJim Jagielski getErrorBars( 102*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 103*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::XDataSeries > & xDataSeries, 104*b1cdbd2cSJim Jagielski bool bYError = true ); 105*b1cdbd2cSJim Jagielski 106*b1cdbd2cSJim Jagielski static bool hasErrorBars( 107*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 108*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::XDataSeries > & xDataSeries, 109*b1cdbd2cSJim Jagielski bool bYError = true ); 110*b1cdbd2cSJim Jagielski 111*b1cdbd2cSJim Jagielski static void removeErrorBars( 112*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 113*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::XDataSeries > & xDataSeries, 114*b1cdbd2cSJim Jagielski bool bYError = true ); 115*b1cdbd2cSJim Jagielski 116*b1cdbd2cSJim Jagielski static bool usesErrorBarRanges( 117*b1cdbd2cSJim Jagielski const ::com::sun::star::uno::Reference< 118*b1cdbd2cSJim Jagielski ::com::sun::star::chart2::XDataSeries > & xDataSeries, 119*b1cdbd2cSJim Jagielski bool bYError = true ); 120*b1cdbd2cSJim Jagielski 121*b1cdbd2cSJim Jagielski private: 122*b1cdbd2cSJim Jagielski // not implemented 123*b1cdbd2cSJim Jagielski StatisticsHelper(); 124*b1cdbd2cSJim Jagielski }; 125*b1cdbd2cSJim Jagielski 126*b1cdbd2cSJim Jagielski } // namespace chart 127*b1cdbd2cSJim Jagielski 128*b1cdbd2cSJim Jagielski // CHART2_STATISTICSHELPER_HXX 129*b1cdbd2cSJim Jagielski #endif 130