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出典:『Wikipedia』 (2011/07/20 00:13 UTC 版)

英語による解説

引用

In data processing, a pivot table is a data summarization tool found in data visualization programs such as spreadsheets (for example, in Microsoft Excel, OpenOffice.org Calc, LibreOffice Calc, Google Docs and Lotus 1-2-3) or business intelligence software. Among other functions, pivot-table tools can automatically sort, count, total or give the average of the data stored in one table or spreadsheet. It displays the results in a second table (called a "pivot table") showing the summarized data. Pivot tables are also useful for quickly creating unweighted cross tabulations. The user sets up and changes the summary's structure by dragging and dropping fields graphically. This "rotation" or pivoting of the summary table gives the concept its name. The term pivot table is a generic phrase used by multiple vendors. However, Microsoft Corporation has trademarked the specific form PivotTable.