Basic line chart: the most intuitive presentation of data trends and changes

Line charts are suitable for displaying two-dimensional data sets , It can be used to identify trends and changes over time , Emphasize the trend of data fluctuation , Time series that can represent continuity , Some data with large fluctuations can be better displayed .

The trend of data increase or decrease can be intuitively displayed in the line chart 、 The rate of increase and decrease 、 Increase or decrease some characteristics of the periodic law . Line charts are usually used to analyze the trend of data changes over time , It can also be used to analyze the interaction and interaction of multiple groups of time-varying data . In a line chart, the horizontal axis is usually used to express the time span , The vertical axis represents the size of data values at different times at different times . So the line chart is very suitable Do data report analysis Of .

The following figure is created by the platform Internet data visualization platform Example large screen in “ The food thing ”, The large screen has repeatedly used various types of line charts to express the trend of a data .

Basic line graph belongs to the classification of line graph , This time, we will mainly focus on the basic line chart , We can find the basic line chart by expanding the line chart , Click or drag to add components to the large screen .                                                                  

The default effect of the basic line chart is shown in the following figure , You can see that the layer parameters in the basic line chart support a lot of personalized settings .

Click the switch to open the prompt , You can place the mouse in the chart and the specific data will be displayed .

If you want every legend to be obvious , Then you can set the graphic color group , Because there are two legends in the default effect, which are “ income ” and “ spending ” It can be divided into two kinds of legends, and different colors can be added to express different types of legends .

Set chart x,y Axis split line , It can make each time period and the data of each period more obvious , More intuitive , This style is generally used by many sales companies Sales data report Performance charts will x, The line is marked .

The basic line chart can also be switched to the combination of line chart and histogram , However, if it is used in combination, at least two legends are required before it can be used in combination ; Click Add and select the legend type according to the legend order ;

The position where the data is displayed in the legend can also be selected , Altogether 6 There are locations to choose from , Select the displayed position according to the legend sequence .

The style of polyline points is the same , The size of points can also be modified , Default empty circle , Rectangle is selected here , The effect is shown below .

The numerical units in the legend can also be entered by yourself , Including the legend can also be displayed as an area map , You can also open the data stack display , In the following figure, the numerical unit is added “ element ”. At the same time, the effect of area map and data stack display is turned on .

If the position of the ladder line graph is selected in the layer attribute, the corresponding basic line graph will also become a ladder line graph .

Rich components , Rich functions , Here you can give full play to your design ability , To design the large screen you want , Of course, the components of the platform 、 It's a lot more than that . Of course, there are also some template screens for everyone to use , Let you “ Data visualization ”.