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  2. William Playfair - Wikipedia

    en.wikipedia.org/wiki/William_Playfair

    William Playfair (22 September 1759 – 11 February 1823) was a Scottish engineer and political economist. The founder of graphical methods of statistics, [1] Playfair invented several types of diagrams: in 1786 the line, area and bar chart of economic data, and in 1801 the pie chart and circle graph, used to show part-whole relations. [2]

  3. Pie chart - Wikipedia

    en.wikipedia.org/wiki/Pie_chart

    A pie chart (or a circle chart) is a circular statistical graphic which is divided into slices to illustrate numerical proportion. In a pie chart, the arc length of each slice (and consequently its central angle and area) is proportional to the quantity it represents. While it is named for its resemblance to a pie which has been sliced, there ...

  4. Wikipedia:Graphs and charts - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Graphs_and_charts

    The R programming language can be used for creating Wikipedia graphs. The Google Chart API allows a variety of graphs to be created. Livegap Charts creates line, bar, spider, polar-area and pie charts, and can export them as images without needing to download any tools. Veusz is a free scientific graphing tool that can produce 2D and 3D plots ...

  5. Infographic - Wikipedia

    en.wikipedia.org/wiki/Infographic

    reveal the data at several levels of detail, from a broad overview to the fine structure. serve a reasonably clear purpose: description, exploration, tabulation, or decoration. be closely integrated with the statistical and verbal descriptions of a data set. Graphics reveal data.

  6. Data and information visualization - Wikipedia

    en.wikipedia.org/wiki/Data_and_information...

    v. t. e. 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.

  7. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form. [1][2][3] Spreadsheets were developed as computerized analogs of paper accounting worksheets. [4] The program operates on data entered in cells of a table. Each cell may contain either numeric or text data, or the results of ...

  8. Mind map - Wikipedia

    en.wikipedia.org/wiki/Mind_map

    v. t. e. A mind map is a diagram used to visually organize information into a hierarchy, showing relationships among pieces of the whole. [1] It is often based on a single concept, drawn as an image in the center of a blank page, to which associated representations of ideas such as images, words and parts of words are added.

  9. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    A pi pie. Many pies are circular, and "pie" and π are homophones, making pie a frequent subject of pi puns. Perhaps because of the simplicity of its definition and its ubiquitous presence in formulae, π has been represented in popular culture more than other mathematical constructs. [211]

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