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Data visualization chart summary (I)
2022-07-05 06:02:00 【Begin to change】
Catalog
Twelve 、 Multiple sets of bar charts
13、 ... and 、 Stacked bar chart
fourteen 、 Unequal width histogram
seventeen 、 Stacked area chart
eighteen 、 Quantized waveforms
twenty-seven 、 Nightingale rose
One 、 Dot matrix diagram
Dot matrix diagram (Dot Matrix Chart) Display discrete data in points , The dots of each color represent a specific category , And put them together in matrix form .
It can be used to quickly view the distribution and proportion of different categories in a dataset , And compare it with other data sets , It's easier to find patterns .
Two 、 Dot graph
Dot graph (Point & Figure Charts) Also known as 「P&F chart 」, Use by X and O A series of squares composed of symbols to show the supply and demand relationship of a specific asset .
This chart has nothing to do with time , Mainly focus on the filter price performance of assets ; It also doesn't show the volume of transactions , The purpose is just to show any change in supply and demand , be called 「 breakthrough 」(breakouts).
3、 ... and 、 Arc chart
Arc chart (Arc Diagram) It's another way of data expression besides two-dimensional biaxial chart . In the arc graph , Nodes will follow X Axis placement , Then the arc is used to represent the connection between nodes .
The arc chart is suitable for finding situations where data are common . But the disadvantage is : It can't show the structure and connection between nodes as clearly as other two axis charts , And too many connections can make the chart difficult to read .
Four 、 Broken line diagram
A line chart is used to display quantitative values over successive intervals or time spans , Most commonly used to show trends and relationships .
Besides , A line chart can also show... In a certain period of time 「 Overall overview 」, Take a look at the development of data over this period of time .
5、 ... and 、 Parallel graph
Parallel graph (Parallel Coordinates Plots) It can display multivariable numerical data , Most suitable for comparing multiple variables at the same time , And show the relationship between them .
When data is dense , Parallel graphs tend to be confusing 、 Illegible . The solution is through interactive technology , Highlight the selected line or lines , And fade all the other lines , Let's focus more on what we're interested in , And filter out the interference data .
6、 ... and 、 Network diagram
Also known as 「 Web map 」 or 「 Node link graph 」, Used to show the type of relationship between things .
These nodes are usually dots or small circles , But you can also use icons .
The main network diagrams are as follows 「 Not oriented 」 and 「 directional 」 Two kinds of . An undirected network diagram shows only the connections between entities , The directed network diagram shows whether the connection is unidirectional or bidirectional ( Through the little arrow ).
Network graph data capacity is limited , And when there are too many nodes, it will form a similar 「 Hairball 」 The design of , Make it difficult to read .
7、 ... and 、 Pictogram
Pictogram (Pictogram Chart) Also known as 「 Pictograph 」, Use patterns to show the amount of data .
Using patterns can overcome language 、 Cultural and educational differences , It is a more representative method of data display . for instance , If the data is 「5 Vehicles 」, The picture will show 5 A car design .
8、 ... and 、 Histogram
Histograms are suitable for displaying the distribution of data at successive intervals or within a specific period of time , It helps to estimate the location of the value set 、 The upper and lower limits and the determination of whether there are gaps or outliers ; The probability distribution can also be shown roughly .
Nine 、 Density map
Density map (Density Plot) Also known as 「 Density curve 」, Used to display the distribution of data in a continuous period of time .
This chart is a variation of the histogram , Use smooth curves to draw numerical levels , So we get a smoother distribution , And they are not affected by the number of packets used , So we can better define the shape of the distribution .
Ten 、 Population pyramid
Population pyramid (Population Pyramid) Also known as 「 Age gender pyramid 」, It's a back-to-back pair of histograms , Show the distribution of all age groups and the male and female population .
The population pyramid is best used to detect changes or differences in population patterns . Multiple population pyramids put together can be used to compare population patterns between countries or different groups .
11、 ... and 、 Bar chart
Bar chart (Bar Chart) Also known as 「 Bar chart 」 or 「 Bar charts 」, Use horizontal or vertical bars ( Bar charts ) To compare different classes of discrete values .
One of the axes in the chart represents the specific category to be compared , The other is used as a scale for discrete values .
The discrete data of bar chart is classified data , It's about the number in a single category , It doesn't show the continuous development of the value in a certain period of time .
Twelve 、 Multiple sets of bar charts
Groups of bars are also known as 「 Grouped bars 」 or 「 Double bar chart 」, It's a variation of the bar chart .
Multiple sets of bars are often used to compare grouped variables or categories with other data groups , Mini histograms can also be used to compare , Each bar in each group will represent the significant interval between variables .
But the disadvantage is , It's hard to read when there are too many bars together .
13、 ... and 、 Stacked bar chart
Unlike multiple bar charts , Stacked bar chart (Stacked Bar Graph) Overlay the bars of multiple data sets with each other , Good for showing how large categories are broken down into smaller categories , And what's the relationship between each part and the total amount .
There are two types of stacked bar charts :
Simple stacked bar chart . Place segment values one by one , The total value of the bar is the sum of all the segment values , Suitable for comparing each group / The total number of segments .
100% Stacked bar chart . The percentage of each group as a whole will be displayed , And draw according to the percentage of each value in the whole group , It can be used to show the relative difference between the numbers in each group .
fourteen 、 Unequal width histogram
Unequal width histogram (Marimekko Chart) Also known as 「 Mosaic 」, Used to show the relationship between a pair of variables in classified data , The principle is similar to bidirectional 100% Stacked bar chart , But all the bars in it are numerical / The scale axis has equal length , And it's divided into segments .
The main disadvantage of unequal width histogram is that it is difficult to read , Especially when there are lots of segments . Besides , It's also difficult to accurately compare each segment , Because they're not aligned along a common baseline .
therefore , The unequal width histogram is more suitable for providing an overview of the data .
15、 ... and 、 Area map
Area map (Area Graph) It's a kind of line chart , But the area below the line is filled with color or texture
Just like a line chart , The area chart can show the change and development of quantitative values in a certain period of time , Most commonly used to show trends , It's not a specific number .
Two more commonly used area charts are grouped area charts and stacked area charts . The grouped area chart starts with the same zero axis , The stacked area chart starts from the last data point of the previous data series .
sixteen 、 Scale area
It's a great way to compare values and scale ( Size 、 Quantity, etc ), In order to quickly and comprehensively understand the relative size of data , Without using a scale .
A scale area chart usually uses a square or a circle , Common technical errors are , Use length to determine shape size , Instead of calculating the area of space in a shape , This leads to an exponential increase and decrease in values .
seventeen 、 Stacked area chart
Stacked area chart (Stacked Area Graph) The principle is the same as that of a simple area graph , But it can display multiple data series at the same time , The starting point of each series is the ending point of the previous data series
Stacked area charts use area areas to represent integers , So it doesn't apply to negative values . in general , They are suitable for comparing changes in multiple variables within the same interval .
eighteen 、 Quantized waveforms
This chart is a variation of the stacked area chart , But the value is not drawn along a fixed line axis , It's around a changing central baseline
By using flowing organic shapes , Quantized waveforms (Stream Graph) Different types of data can be displayed over time , It's kind of like these organic rivers , So the quantization waveform looks pretty good .
In the quantization waveform , The shape and size of each wave is proportional to the number in each category . The axis that flows parallel to the waveform is used as a time scale . We can also use different colors to distinguish each category , Or change the color to show the additional quantitative value of each category .
Besides , When they show it interactively , More efficient than static or printed .
nineteen 、 Radar map
Radar map (Radar Chart) Also known as 「 Spiders 」、「 Polar map 」 or 「 Star map 」, It's a way to compare multiple quantitative variables , Can be used to see which variables have similar values , Or if there are any outliers in each variable .
Besides , Radar charts can also be used to see which variables in the dataset score higher / low , Ideal for display performance .
Each variable has its own axis ( Start from the center ). All the shafts are arranged radially , The distance between them is equal , All axes have the same scale . The grid lines between the axes are usually used for guidance only . The value of each variable is drawn on its axis , All the variables in the dataset will be joined together to form a polygon .
twenty 、 Sanguitu
Sanguitu (Sankey Diagram) Used to show the flow direction and quantity .
At each stage of the process , Flow arrows or lines can be grouped together , Or separate them in different ways . We can use different colors to distinguish the different categories in the chart , Or represents a transition from one stage to another .
The 21st 、 Parallel set graph
Parallel set graphs are similar to Sankey graphs , Both show flow and scale , But parallel set graphs don't use arrows , They are in each displayed line set (line-set) Divide the process path .
Each line set corresponds to a dimension / Data sets , Its value / The different classes of line segments represented by the set of lines . The width of each line and the flow path , It is determined by the proportion of the total number of categories . Each process path can be represented by different colors , To show and compare the distribution between different categories .
Twenty-two 、 Error line
Error bars can be used as an enhancement to show data changes , It is usually used to display the standard deviation in a range dataset 、 Standard error 、 Confidence interval or minimum / Maximum .
The error line is always parallel to the axis of the quantitative scale , It can be vertical or horizontal ( Depending on the quantitative scale is in Y Axis or X On the shaft ).
23 、 Tree structure
Tree structure (Treemap) It's a way to use nested rectangles to show hierarchies , At the same time, the number of each category is displayed by area size .
Each category is assigned a rectangular area , Its subcategories are represented by nested rectangles . When different quantities are assigned to each category , The area of these rectangles is proportional to this number .
Ben Shneiderman The tree structure diagram was originally developed to display a large number of file directories on the computer , It doesn't take up too much screen space , Therefore, the tree structure diagram is a compact and space saving hierarchical display , It allows people to quickly understand the structure .
Twenty-four 、 Circle packing
Circle accumulation (Circle Packing) Also known as 「 Circular tree structure 」, It's a variation of the tree structure , Use circles ( Instead of rectangles ) Layer by layer represents the entire hierarchy .
The area of each circle can also be used to represent any additional value , Such as quantity or file size . We can also use color to classify the data , Or represent another variable by different hues .
Although the round pile looks beautiful , But it's not as space saving as a tree ( Because there's a lot of space in the circle ), But it's actually more effective than a tree diagram in showing hierarchies .
twenty-five 、 The pie chart
Pie chart (Pie Chart) Divide a circle into segments of different proportions , To show the proportions between the categories
The pie chart is suitable for quickly displaying the proportional distribution of data , But the main drawback is : Can't show too many items 、 You usually need a legend 、 Can't exactly compare .
hexacosa- 、 Doughnut
Doughnut (Donut Chart) It's basically a pie chart , It's just that the middle part is cut off
however , The doughnut chart still has a slight advantage over the pie chart , It makes people no longer just look at 「 cake 」 The area of , On the other hand, we pay more attention to the change of population value : Focus on reading the length of the arc , Instead of comparing 「 Cakes and cakes 」 There are different proportions between .
in addition , The space in the middle of the circle can be used to display other information , So it saves more space .
twenty-seven 、 Nightingale rose
Nightingale rose (Nightingale Rose Charts) Also known as 「 Polar area 」
In the Nightingale rose , What represents the numerical value is the sectional area , Not its radius .
Twenty-eight 、 Sunrise chart
Also known as 「 Multi layer pie chart 」 or 「 Radial trees 」, Show hierarchy through a series of circles , Then cut according to different types of nodes .
Twenty-nine 、 Spiral chart
Also known as 「 Time series spiral 」, Along the Archimedean spiral (Archimedean spiral) Time based data .
The chart starts at the center of the spiral and goes out . The spiral is very variable , You can use bars 、 Lines or data points , Display along the spiral path .
Spirals are great for displaying large datasets , It usually shows data trends over a long period of time , Therefore, it can effectively display periodic patterns
thirty 、 Radial bar chart
A radial bar chart is a bar chart drawn in polar coordinates .
Although it looks beautiful , But the length of the bar on a radial bar chart can be misunderstood .
Official account : You can ask me to explain it in detail
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