Bar chart, fan chart, line chart and network chart.
I. Bar charts
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A unit length (such as 1 cm) represents a certain number, and according to this number, straight bars with proportional length are drawn and arranged in a certain order. This statistical chart is called a bar chart. Bar charts can clearly show the number of various quantities. Bar chart is the most commonly used graph in statistical chart data analysis. According to the different arrangement, it can be divided into vertical bar diagram and horizontal bar diagram; According to the different analysis functions, it can be divided into bar chart comparison chart and bar chart structure chart. ?
Features of bar graph:?
(1) enables people to see the size of each data at a glance. ?
(2) Differences between data are relatively easy.
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Second, the fan map?
A statistical chart in which the area of a circle represents the whole thing and the area of a sector represents the percentage of the whole is called a sector statistical chart. Also known as a percentage comparison chart. The fan-shaped statistical chart can clearly reflect the quantitative relationship among parts, parts and whole. ?
Characteristics of fan-shaped statistical chart:?
(1) Use a sector to indicate the percentage of parts in the total. ?
(2) It is easy to display the size of each group of data relative to the total. ?
Third, the broken line statistical chart?
A statistical chart that shows the increase or decrease of statistics by the rise or fall of broken lines is called a broken line statistical chart. Compared with bar charts, line charts can not only show the quantity, but also reflect the development and changes of the same thing in different periods. Line charts are widely used in life. Although it does not give accurate data directly, as long as you master certain skills and skillfully use the "coordinate method", you can quickly determine a specific data. ? The biggest feature of broken-line statistical chart is that it can show the changing trend of data and reflect the changing situation of things.
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Fourth, the network statistical chart?
The characteristic of network statistical chart is that there are only some letters in this kind of statistical chart, and the meaning represented by letters is outside the topic. Before you answer the question, you must find out what these letters mean, so that you can get an answer without letters in the specific answering process.