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.xlt – Legacy Excel templates; officially designated "Microsoft Excel 97–2003 Template".xlm – Legacy Excel macro; OOXML Office Open XML (OOXML) format was introduced with Microsoft Office 2007 and became the default format of Microsoft Excel ever since. Excel-related file extensions of this format include:.xlsx – Excel workbook
Various plots of the multivariate data set Iris flower data set introduced by Ronald Fisher (1936). [1]A data set (or dataset) is a collection of data.In the case of tabular data, a data set corresponds to one or more database tables, where every column of a table represents a particular variable, and each row corresponds to a given record of the data set in question.
The single slash between host and path denotes the start of the local-path part of the URI and must be present. [5] A valid file URI must therefore begin with either file:/path (no hostname), file:///path (empty hostname), or file://hostname/path. file://path (i.e. two slashes, without a hostname) is never correct, but is often used.
Main spreadsheet format which holds data in worksheets, charts, and macros Add-in .xla: Adds custom functionality; written in VBA: Toolbar .xlb: The file extension where Microsoft Excel custom toolbar settings are stored. Chart .xlc: A chart created with data from a Microsoft Excel spreadsheet that only saves the chart.
If data is a Series, then data['a'] returns all values with the index value of a. However, if data is a DataFrame, then data['a'] returns all values in the column(s) named a. To avoid this ambiguity, Pandas supports the syntax data.loc['a'] as an alternative way to filter using the index.
Data stored in version 4 of the Hierarchical Data Format. 89 48 44 46 0D 0A 1A 0A ‰HDF␍␊␚␊ 0, 512, 1024, 2048, ... hdf5 h5 Data stored in version 5 of the Hierarchical Data Format. C9: É: 0 com CP/M 3 and higher with overlays [27] CA FE BA BE: Êþº¾: 0 class Java class file, Mach-O Fat Binary: EF BB BF:  0 txt others
Record linkage (also known as data matching, data linkage, entity resolution, and many other terms) is the task of finding records in a data set that refer to the same entity across different data sources (e.g., data files, books, websites, and databases).
The exact definition, giving the criteria for deciding what part of the file name is its extension, belongs to the rules of the specific file system used; usually the extension is the substring which follows the last occurrence, if any, of the dot character (example: txt is the extension of the filename readme.txt, and html the extension of ...