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  2. Wikipedia:Graphs and charts - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Graphs_and_charts

    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. Users can use it as a module in Python.

  3. Bar chart - Wikipedia

    en.wikipedia.org/wiki/Bar_chart

    A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally. A vertical bar chart is sometimes called a column chart. A bar graph shows comparisons among discrete categories.

  4. Wikipedia : How to create charts for Wikipedia articles

    en.wikipedia.org/wiki/Wikipedia:How_to_create...

    Matplotlib can create plots in a variety of output formats, such as PNG and SVG. Matplotlib mainly does 2-D plots (such as line, contour, bar, scatter, etc.), but 3-D functionality is also available in some releases. Here is a simple line plot in pylab (output image is shown on the right): A simple SVG line plot in Matplotlib.

  5. Talk:Bar chart - Wikipedia

    en.wikipedia.org/wiki/Talk:Bar_chart

    Free online graph creation tool at the website for the National Center for Education Statistics (NCES) (located within the U.S. Department of Education and the Institute of Education Sciences ). Bar charts, line charts, area charts, pie charts, and XY graphs. Choice of PDF, PNG, JPG, EMF, EPS, and SVG output.

  6. Comparison of JavaScript charting libraries - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_JavaScript...

    Comparison of JavaScript charting libraries. There are different JavaScript charting libraries available. Below is a comparison of which features are available in each. Library Name. License. Free. Supported Chart Types. Supported Bar Chart Types. Other Features.

  7. Graphviz - Wikipedia

    en.wikipedia.org/wiki/Graphviz

    Scribus is an open-source DTP program that can use Graphviz to render graphs by using its internal editor in a special frame type called render frame. [11] Sphinx is a documentation generator that can use Graphviz to embed graphs in documents. TOra a free-software database development and administration GUI, available under the GNU GPL.

  8. Gantt chart - Wikipedia

    en.wikipedia.org/wiki/Gantt_chart

    A Gantt chart is a type of bar chart [4][5] that illustrates a project schedule. [6] This chart lists the tasks to be performed on the vertical axis, and time intervals on the horizontal axis. [4][7] The width of the horizontal bars in the graph shows the duration of each activity. [7][8] Gantt charts illustrate the start and finish dates of ...

  9. Data and information visualization - Wikipedia

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

    Data visualization refers to the techniques used to communicate data or information by encoding it as visual objects (e.g., points, lines, or bars) contained in graphics. The goal is to communicate information clearly and efficiently to users. It is one of the steps in data analysis or data science. According to Vitaly Friedman (2008) the "main ...

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