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NReco.PivotData [![NuGet Release](https://img.shields.io/nuget/v/NReco.PivotData.svg)](https://www.nuget.org/packages/NReco.PivotData/)\nOLAP library that implements:\n\n* in-memory multidimensional dataset (`PivotData` class)\n* OLAP operations: roll-up, slice and dice (`SliceQuery` class)\n* pivot table data model with efficient totals/sub-totals calculation (`PivotTable` class)\n\nOfficial component page: [PivotData Toolkit for .NET](https://www.nrecosite.com/pivot_data_library_net.aspx)\n\n# Documentation\n\n* [Getting Started](https://www.nrecosite.com/pivotdata/cube-basics.aspx)\n* [Aggregate Functions](https://www.nrecosite.com/pivotdata/aggregate-functions.aspx)\n* [Implement custom aggregator](https://www.nrecosite.com/pivotdata/implement-custom-aggregator.aspx)\n* [Query/Filter the cube](https://www.nrecosite.com/pivotdata/query-cube.aspx)\n* [Sort pivot table data by labels or values](https://www.nrecosite.com/pivotdata/sort-pivot-table.aspx)\n* [Create HTML pivot table](https://www.nrecosite.com/pivotdata/create-pivot-table.aspx)\n* [Pivot a DataTable](https://www.nrecosite.com/pivotdata/pivot-datatable.aspx)\n* [Create Excel PivotTable](https://www.nrecosite.com/pivotdata/create-excel-pivot-table.aspx)\n* [API Reference](https://www.nrecosite.com/doc/NReco.PivotData/)\n\n# Examples\n\n* [CsvDemo](https://github.com/nreco/pivotdata/tree/master/examples/NReco.PivotData.Examples.CsvDemo): how to aggregate data from CSV file\n* [DynamicFormulaMeasure](https://github.com/nreco/pivotdata/tree/master/examples/NReco.PivotData.Examples.DynamicFormulaMeasure): how to define formula-based measure dynamically (with a user-entered string expression)\n* [DynamicListGrouping](https://github.com/nreco/pivotdata/tree/master/examples/NReco.PivotData.Examples.DynamicListGrouping): group objects by multiple fields and calculate aggregates\n* [ExcelPivotTable](https://github.com/nreco/pivotdata/tree/master/examples/NReco.PivotData.Examples.ExcelPivotTable): generates Excel PivotTable by PivotData's PivotTable\n* [ParallelCube](https://github.com/nreco/pivotdata/tree/master/examples/NReco.PivotData.Examples.ParallelCube): how to perform parallel aggregation (use all CPU cores) and merge all results into one resulting cube\n* [PivotTableMvc](https://github.com/nreco/pivotdata/tree/master/examples/NReco.PivotData.Examples.PivotTableMvc): MVC example that renders simple pivot table / charts (without PivotData Toolkit components)\n* [QueryCube](https://github.com/nreco/pivotdata/tree/master/examples/NReco.PivotData.Examples.QueryCube): how to make OLAP queries with SliceQuery class: slice, dice, filter, roll-up, calculate derived dimensions and measures\n\n## Who is using this?\nNReco.PivotData is in production use at [SeekTable.com](https://www.seektable.com/) and [PivotData microservice](https://www.nrecosite.com/pivotdata_service.aspx). NReco.PivotData is a pre-requisite for PivotData Toolkit components.\n\n## License\nCopyright 2015-2023 Vitaliy Fedorchenko\n\nDistributed under the PivotData OLAP library FREE license (see src/LICENSE): NReco.PivotData can be used for free only in non-SaaS apps with one single-server production deployment.\nIn all other cases commercial license is required (can be purchased [here](https://www.nrecosite.com/pivot_data_library_net.aspx)).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnreco%2Fpivotdata","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnreco%2Fpivotdata","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnreco%2Fpivotdata/lists"}