| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| #ifndef CHART2_STATISTICSHELPER_HXX |
| #define CHART2_STATISTICSHELPER_HXX |
| |
| #include <com/sun/star/uno/Sequence.hxx> |
| #include <com/sun/star/uno/XComponentContext.hpp> |
| #include <com/sun/star/chart2/data/XDataSource.hpp> |
| #include <com/sun/star/chart2/data/XDataProvider.hpp> |
| #include <com/sun/star/chart2/XDataSeries.hpp> |
| #include "charttoolsdllapi.hxx" |
| |
| namespace chart |
| { |
| |
| class OOO_DLLPUBLIC_CHARTTOOLS StatisticsHelper |
| { |
| public: |
| /** Calculates 1/n * sum (x_i - x_mean)^2. |
| |
| @see http://mathworld.wolfram.com/Variance.html |
| |
| @param bUnbiasedEstimator |
| If true, 1/(n-1) * sum (x_i - x_mean)^2 is returned. |
| */ |
| static double getVariance( const ::com::sun::star::uno::Sequence< double > & rData, |
| bool bUnbiasedEstimator = false ); |
| |
| // square root of the variance |
| static double getStandardDeviation( const ::com::sun::star::uno::Sequence< double > & rData ); |
| |
| // also called "Standard deviation of the mean (SDOM)" |
| static double getStandardError( const ::com::sun::star::uno::Sequence< double > & rData ); |
| |
| static ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::data::XLabeledDataSequence > |
| getErrorLabeledDataSequenceFromDataSource( |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::data::XDataSource > & xDataSource, |
| bool bPositiveValue, |
| bool bYError = true ); |
| |
| static ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::data::XDataSequence > |
| getErrorDataSequenceFromDataSource( |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::data::XDataSource > & xDataSource, |
| bool bPositiveValue, |
| bool bYError = true ); |
| |
| static double getErrorFromDataSource( |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::data::XDataSource > & xDataSource, |
| sal_Int32 nIndex, |
| bool bPositiveValue, |
| bool bYError = true ); |
| |
| static void setErrorDataSequence( |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::data::XDataSource > & xDataSource, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::data::XDataProvider > & xDataProvider, |
| const ::rtl::OUString & rNewRange, |
| bool bPositiveValue, |
| bool bYError = true, |
| ::rtl::OUString * pXMLRange = 0 ); |
| |
| /// @return the newly created or existing error bar object |
| static ::com::sun::star::uno::Reference< |
| ::com::sun::star::beans::XPropertySet > |
| addErrorBars( |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::XDataSeries > & xDataSeries, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::uno::XComponentContext > & xContext, |
| sal_Int32 nStyle, |
| bool bYError = true ); |
| |
| static ::com::sun::star::uno::Reference< |
| ::com::sun::star::beans::XPropertySet > |
| getErrorBars( |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::XDataSeries > & xDataSeries, |
| bool bYError = true ); |
| |
| static bool hasErrorBars( |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::XDataSeries > & xDataSeries, |
| bool bYError = true ); |
| |
| static void removeErrorBars( |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::XDataSeries > & xDataSeries, |
| bool bYError = true ); |
| |
| static bool usesErrorBarRanges( |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::chart2::XDataSeries > & xDataSeries, |
| bool bYError = true ); |
| |
| private: |
| // not implemented |
| StatisticsHelper(); |
| }; |
| |
| } // namespace chart |
| |
| // CHART2_STATISTICSHELPER_HXX |
| #endif |