How to create a scatter plot with multiple Y values for each X?

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JoeB 2018-3-21

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https://ww2.mathworks.cn/matlabcentral/answers/389752-how-to-create-a-scatter-plot-with-multiple-y-values-for-each-x

评论： Jules Ray 2018-3-21

ex.JPG

I'm trying to create a scatter plot with 3 values of Y for each X. X is a group value for each person. e.g. X=10 means there are 10 people, and for each person I want to plot 3 values. I attached an image of an example that I'm trying to basically the same exact thing.

I made a vector for X and I have a matrix with all of the values of the 3 features that I want to plot for each person, but not sure how to group it like the picture.

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Answer 1

Jules Ray 2018-3-21

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https://ww2.mathworks.cn/matlabcentral/answers/389752-how-to-create-a-scatter-plot-with-multiple-y-values-for-each-x#answer_311148

编辑：Jules Ray 2018-3-21

If I understand you want to repeat single values of Y for each X

for instance, if you have x=[1,2,3,4,5,6,7,8,9,10] then you want 3 values for each X then your Y matrix will be 30 elements.

I reccomend repeating values of x three times, e.g:

X=[1,1,1,2,2,2,3,3,3,...]

Y=[5,7,9,3,2,1,4,5,6....] here 5,7 and 9 share the same X=1 and so on

VG

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JoeB 2018-3-21

thanks for your input. With this method i'm worried that it will just stack the plots on top of each other. if i have a point with a standard deviation plotted with an error bar (as in figure) and you use the same X i worry it will stack all 3 points and errors on top of each other and you won't be able to see anything

Jules Ray 2018-3-21