a sheetChart(Chart), or also calledStatistical chart, representing an imagedata, often named after the image used, such asPie chart[1], is the main usecircularSymbol,bar chartorhistogram, then it is mainly usedrectangleSymbol.Line Chart, which means usinglineSymbol.The template on the right uses a cutting circle to represent data. It can also be used to interpret certain types of structures and provide different information.
a sheetChart(Chart), or also calledStatistical chart, representing an imagedata, often named after the image used, such asPie chart, is the main usecircularSymbol,bar chartorhistogram, then it is mainly usedrectangleSymbol.Line Chart, which means usinglineSymbol.The template on the right uses a cutting circle to represent data. It can also be used to interpret certain types of structures and provide different information.
ChartThe use of the word "statistics" may not always be preceded by the word "statistics". The following charts contain statistical meanings, but the name does not contain the word "statistics":
Data GraphIt can be a group of diagrams orMathematic figure(Graph), with quantitative data or qualitative information.
Musical notation in English (chordchart）Or Recordchart）In the English world, it is also often considered as a kind of chart, but the Chinese use does not regard it as a habit of chart.
Charts, or statistical charts, are usually used to facilitate the understanding of large amounts of data and the relationship between data.Let people read the original data faster through visual symbols.Today, charts have been widely used in various fields. In the pastCoordinate paperOr hand-painted on checkered paper, which is widely used in modern timescomputer softwareGenerate.[1]
Consistent characteristics of charts
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There are various forms of charts in the world, some of which are very large and some of which are very complex. But basically, charts have the following consistent characteristics.It is used to make data more meaningful and improve interpretation ability.
The first characteristic of the chart is that,written wordsThe composition is very low, and it is usually not described in words, and the text presentation is the whole.The text in the chart is often only used to interpret or mark the data, source, etc.Or more importanttitle。
Title: The title of the chart is usually concise, so that people can clearly know what kind of data it is.The title usually appears above the main drawing.
Coordinate label: smaller text is used to indicate horizontalaxisData or classifications on the X axis or the vertical axis (Y axis), which are often referred to asCoordinate label, often withCompany, such as "Distance travelled (meters)".
Data label: the data displayed in the chart, whether in point or line form, will also be marked with words in the grid, called data label.It is convenient for the viewer to interpret and compare its position and relationship between two coordinates.
Legend: If the chart contains more than two groups of data, legends (Legend or Key for short) are often required to explain the names of the two groups.And they often use different colors to distinguish.[2]
Four common charts
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one
histogram(Histogram): It is composed of a group of block shapes. The area of each block shape represents the percentage of cases in the corresponding group interval.
two
bar chart(Bar Chart): used to compare the amount of each data in a single variable or multiple variables.The difference between histogram and bar graph is that histogram usesthe measure of areaRather than height.
three
Pie chart(Pie Chart): In a single category variable, it indicates the proportion of some large sectors in the whole, rather than comparing different sectors.Using angles for comparison is not as accurate as using lengths.Pie chart uses area instead of length, which makes it more difficult to compare various data.
four
Line Chart(Line chart): in a single or small number of variables, it is used to compare the amount of each data, or to represent the deduction of data.[3]
