Понятность предоставления информационных данных и Their accessibility to the human brain primarily depends on the form of their presentation. Therefore, many try to visualize information as easily as possible and how it is more convenient to present the audience its necessary aspects. In this case, pie charts are quite effective. They are used almost everywhere, where it is necessary to show the ratio of the parties, the percentage of the total amount and so on.
Круговая диаграмма - достаточно удобное средство to display data, because it allows you to divide different columns of data into different sectors of the same circle, thereby emphasizing which segment is occupied by this or that information in the entire information space. It is worth noting that the advisability of using this type of diagrams only applies when the data are to be divided into no more than 6 structural parts.
The easiest tool for creating a circularcharts - Excel (a table processor, presented by Microsoft). And this application has in its functional not only this type of diagram, but also many others.
Let's look at how to insert such an object,as a pie chart, in an Excel environment. First of all, it is necessary to enter data on the application sheet, according to which the object will be built. Next, you need to perform the following sequence of operations.
1. Go to the "Insert" tab.
2. On the toolbar, select and click "Diagrams".
3.In the "Insert Chart" window that appears, click on "Circular", select the subtype of the diagram (Circular, Secondary Circular, Volumetric Circular, Split Circular or Secondary Histogram) and click "OK".
4.If you previously did not select the data on which the pie chart will be built, a clean canvas will appear in front of you on the current sheet, called the "Chart Area". It's worth noting that at this time Excel will switch to the "Working with diagrams" tab, which has a submenu: Format, Layout and Designer.
5.To build a chart, right-click on the "Chart Area" and select the "Select Data" context menu item. In the "Select data source" window, fix the range by which you want to build a pie chart, and click "OK."
As a result, a diagram appears on the sheet thatwill match your data. If you do not like the colors of the chart sectors or its layout, you want to individualize the captions, then you can easily select the required parameters in the above submenus. You can also move the chart to a separate sheet. To do this, just click on the "Move a diagram" button in the "Designer" submenu.