How can I draw a parity plot?

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Parham Babakhani Dehkordi 2015-4-13

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https://ww2.mathworks.cn/matlabcentral/answers/202769-how-can-i-draw-a-parity-plot

评论： Thangaraja J 2023-2-6

Hello everyone,

I have two series of data as follows: x=[0.8288 1.021 1.2093 1.4674 1.7577 1.9679 2.2465 2.9532]; y=[0.8242 1.05976 1.2804 1.5481 1.79315 2.0521 2.3475 2.9939];

In which x is experiment values (horizontal axis) and y (vertical axis) is models data. I would like to have a parity plot including a bisector , upper bound and lower bound limited within 5% as scatter error.

How can I write a code for this? Thanks in advance

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pfb 2015-4-13

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编辑：pfb 2015-4-14

在 MATLAB Online 中打开

 % scatter plot
 plot(x,y,'.');
 hold
 % bisector (basically the same as Thorsten)
 plot([0.5 3],[0.5 3]);
 % upper and lower bounds (?)
 plot([0.5 3],1.1*[0.5 3]);
 plot([0.5 3],0.9*[0.5 3]);

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Parham Babakhani Dehkordi 2015-4-14

Perfect, now it works Thanks a lot

Thangaraja J 2023-2-6

Thank you for the query and the corresponding answer

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Thorsten 2015-4-13

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https://ww2.mathworks.cn/matlabcentral/answers/202769-how-can-i-draw-a-parity-plot#answer_175069

在 MATLAB Online 中打开

 plot(x,y, '.')
 line([0.5 3],[0.5 3])

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Parham Babakhani Dehkordi 2015-4-13

these two code lines give me only the bisector. If I want to define data in a range, lets say, +10% and -10% as upper and lower bound of bisector, how can I create this?

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