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Pie chart. 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.
Pie chart from Playfair's Statistical Breviary (1801), showing the proportions of the Turkish Empire located in Asia, Europe and Africa before 1789. Playfair, who argued that charts communicated better than tables of data, has been credited with inventing the line, bar, area, and pie charts. His time-series plots are still presented as models ...
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.
A pie chart showing global military expenditures by country for 2019, in US$ billions, according to SIPRI. Military spending: During 2016, the Department of Defense spent $585 billion, an increase of $1 billion versus 2015. This is a partial measure of all defense-related spending.
A chart (sometimes known as a graph) is a graphical representation for data visualization, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart ". [ 1] A chart can represent tabular numeric data, functions or some kinds of quality structure and provides different info.
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.
Circle Chart. The Circle Chart ( Korean : 써클차트; RR : Sseokeul-chateu ), previously known as the Gaon Music Chart or the Gaon Chart ( Korean : 가온차트; RR : Gaon-chateu ), tabulates the relative weekly popularity of songs and albums in South Korea. Founded in 2010, it is produced by the Korea Music Content Association and sponsored ...
William Playfair is usually credited with inventing the area charts as well as the line, bar, and pie charts.His book The Commercial and Political Atlas, published in 1786, contained a number of time-series graphs, including Interest of the National Debt from the Revolution and Chart of all the Imports and Exports to and from England from the Year 1700 to 1782 that are often described as the ...
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