What is the best graphical option to display two multivariate datasets so that the differences are conspicuous enough?

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James Varghese 2015-12-29

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评论： James Varghese 2016-1-6

I have two datasets. Each dataset is an output from a model and each dataset contains an array of values in the x (horizontal) axis and 10 arrays of values in the y (vertical) axis. I have tried to create two different visualizations. The first one was created in Excel with the 'scatter plot with smooth lines' option and the second was created using Excel but with manual addition of shades for visualization purpose only. I am new to MATLAB and I would appreciate if someone can help to create the second plot in MATLAB. Even better if someone can suggest a better graphical/visualization/plot option.

Following are my data values for 2 scenarios

SCENARIO A

x= [0, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1]

y1= [0, 0, 0.02, 0.01, 0, 0, 0, 0, 0, 0, 0, 0]

y2= [0.01, 0, 0.05, 0.1, 0.19, 0.6, 0.87, 1, 1, 1, 1, 1]

y3= [0.02, 0.05, 0.2, 0.69, 0.99, 1, 1, 1, 1, 1, 1, 1]

y4= [0.02, 0.12, 0.25, 0.97, 1, 1, 1, 1, 1, 1, 1, 1]

y5= [0, 0.12, 0.68, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y6= [0, 0.2, 0.84, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y7= [0.01, 0.49, 0.97, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y8= [0.01, 0.51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y9= [0.01, 0.82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y10= [0, 0.84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]

SCENARIO B

x= [0, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1]

y1= [0.01, 0.03, 0.01, 0, 0.01, 0, 0, 0, 0, 0, 0, 0]

y2= [0.01, 0.07, 0.04, 0.13, 0.23, 0.5, 0.92, 1, 1, 1, 1, 1]

y3= [0.01, 0.03, 0.2, 0.61, 0.99, 1, 1, 1, 1, 1, 1, 1]

y4= [0.02, 0.06, 0.4, 0.99, 1, 1, 1, 1, 1, 1, 1, 1]

y5= [0, 0.24, 0.61, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y6= [0, 0.26, 0.88, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y7= [0, 0.51, 0.99, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y8= [0.02, 0.64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y9= [0.02, 0.87, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]

y10= [0.01, 0.94, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]

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jgg 2015-12-30

I think I would suggest making it a 3D plot. Use x as one axis, then an indicator for A or B as the y axis. Then, plot the values of the functions as the height on the z axis. That might be suitable.

You could also just plot the differences in the functions, if that's the main object of interest.

James Varghese 2016-1-6

Thanks, jgg for your suggestions. I will try them out.

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Answer 1

Vineeth Kartha 2016-1-4

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编辑：Vineeth Kartha 2016-1-4

在 MATLAB Online 中打开

Hi James,

I feel the bar graphs will be a suitable plot for the dataset that you have, There is the 2D bar graph and the 3D bar graph in MATLAB.

In order to plot the bar charts you can execute the following commands.

y=[y1' y2' y3' y4' y5' y6' y7' y8' y9' y10'];
bar(x,y)

this will plot the 2D bar graph. If you need the 3d bar graph then execute the following command.

y=[y1' y2' y3' y4' y5' y6' y7' y8' y9' y10'];
bar3(x,y)

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James Varghese 2016-1-6

Hi Vineeth, thanks for your answer. I checked and found that with 2d bar graph the differences are not at all clear. With 3d bar graph option the visualization is better. Still with 3d bar graph plots the limitation is that the lower values get hidden behind the higher values. So the data is getting lost in the plots. May be there is some other way to show these datasets. Nevertheless I am thankful for your suggestions.

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