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  2. Wide and narrow data - Wikipedia

    en.wikipedia.org/wiki/Wide_and_narrow_data

    Many statistical and data processing systems have functions to convert between these two presentations, for instance the R programming language has several packages such as the tidyr package. The pandas package in Python implements this operation as "melt" function which converts a wide table to a narrow one.

  3. Bar chart - Wikipedia

    en.wikipedia.org/wiki/Bar_chart

    Unlike a grouped bar chart where each factor is displayed next to another, each with their own bar, the stacked bar chart displays multiple data points stacked in a single row or column. This may, for instance, take the form of uniform height bars charting a time series with internal stacked colours indicating the percentage participation of a ...

  4. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Excel offers many user interface tweaks over the earliest electronic spreadsheets; however, the essence remains the same as in the original spreadsheet software, VisiCalc: the program displays cells organized in rows and columns, and each cell may contain data or a formula, with relative or absolute references to other cells.

  5. Download, install, or uninstall AOL Desktop Gold - AOL Help

    help.aol.com/articles/aol-desktop-downloading...

    Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.

  6. Template:Graph:Stacked - Wikipedia

    en.wikipedia.org/wiki/Template:Graph:Stacked

    This graph draws one or more independent numeric data series as either bar or area slices, stacked one on top of the other. The data must be stored on Commons' Data namespace or come from Wikidata Query Service. Template parameters [Edit template data] Parameter Description Type Status Table type tabletype Specifies the type of the table data. "tab" (default) uses data namespace on commons ...

  7. Learn the basics of data science with this stacked online ...

    www.aol.com/learn-basics-data-science-stacked...

    TL;DR: The Complete Excel, VBA, and Data Science Certification Training Bundle is on sale for £32.27 as of March 15, saving you 98% on list price. Anyone looking to make this promising career ...

  8. Vectorization (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Vectorization_(mathematics)

    B i consists of n block matrices of size m × m, stacked column-wise, and all these matrices are all-zero except for the i-th one, which is a m × m identity matrix I m. Then the vectorized version of X can be expressed as follows: vec ⁡ ( X ) = ∑ i = 1 n B i X e i {\displaystyle \operatorname {vec} (\mathbf {X} )=\sum _{i=1}^{n}\mathbf {B ...

  9. Social Security Fairness Act could restore benefits, but ...

    www.aol.com/social-security-fairness-act-could...

    According to a CBS News analysis of federal data, these policies are one of the most common reasons for Social Security overpayments, which have totaled more than $450 million in fiscal years 2017 ...