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This format is very useful for shrinking large Excel files as is often the case when doing data analysis. Excel Macro-enabled Template .xltm: A template document that forms a basis for actual workbooks, with macro support. The replacement for the old .xlt format. Excel Add-in .xlam: Excel add-in to add extra functionality and tools.
Big data "size" is a constantly moving target; as of 2012 ranging from a few dozen terabytes to many zettabytes of data. [26] Big data requires a set of techniques and technologies with new forms of integration to reveal insights from data-sets that are diverse, complex, and of a massive scale. [27]
Analysts, investors, and accountants track a company's financial statements, balance sheets, and other data on worksheets. In spreadsheet programs like the open source LibreOffice Calc or Microsoft 's Excel , a single document is known as a 'workbook' and may have by default three arrays or 'worksheets'.
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Before data mining algorithms can be used, a target data set must be assembled. As data mining can only uncover patterns actually present in the data, the target data set must be large enough to contain these patterns while remaining concise enough to be mined within an acceptable time limit. A common source for data is a data mart or data ...
Data cleansing may also involve harmonization (or normalization) of data, which is the process of bringing together data of "varying file formats, naming conventions, and columns", [2] and transforming it into one cohesive data set; a simple example is the expansion of abbreviations ("st, rd, etc." to "street, road, etcetera").
PowerLab (before 1998 was referred to as MacLab) is a data acquisition system developed by ADInstruments comprising hardware and software and designed for use in life science research [1] and teaching applications. It is commonly used in physiology, pharmacology, biomedical engineering, sports/exercise studies and psychophysiology laboratories ...
Data and information visualization (data viz/vis or info viz/vis) [2] is the practice of designing and creating easy-to-communicate and easy-to-understand graphic or visual representations of a large amount [3] of complex quantitative and qualitative data and information with the help of static, dynamic or interactive visual items.
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