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Pie chart of populations of English native speakers. 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.
It is a way of showing unorganized data notably to show results of an election, income of people for a certain region, sales of a product within a certain period, student loan amounts of graduates, etc. Some of the graphs that can be used with frequency distributions are histograms, line charts, bar charts and pie charts. Frequency ...
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. GeoGebra is open-source graphing calculator and is freely available for non-commercial users.
I started working on {{pie chart/sandbox2}} to convert the older template into a wrapper for the newer one, with examples at Template:Pie chart/testcases. I both transcluded and substed the sandbox2 template in this demo to show the differences in syntax. {} problems: On major browsers, the chart sometimes "is escaping" from the box.
Data analyses in Origin include statistics, signal processing, curve fitting and peak analysis. Origin's curve fitting is performed by a nonlinear least squares fitter which is based on the Levenberg–Marquardt algorithm. Origin imports data files in various formats such as ASCII text, Excel, NI TDM, DIADem, NetCDF, SPC, etc.
Plots: line charts, scatterplots, bar charts, and pie charts; Functions: rule-based, table look-up, and procedural programming components; Formats: settings for displaying numeric and string values; Comments: for explanation and documentation; Each class of object is listed and stored on its own worksheet—the Rule Sheet, Variable Sheet, Unit ...
The following code generates the pie chart shown at right. Note that the default chart size and colors are used, and the value of "1" for the "other" parameter is only used for its "truth value" as a visible string—i.e., to say, yes, we want an "Other" entry in the legend (the same chart would result if "0" were used).
A bump chart—a line chart that shows the relative ranking of items from one time point to the next—is also appropriate for ordinal data. [14] Color or grayscale gradation can be used to represent the ordered nature of the data. A single-direction scale, such as income ranges, can be represented with a bar chart where increasing (or ...