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stacked bar graph from 3 columns

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Frederick Awuah-Gyasi
编辑： dpb 2022-5-27
I have this table T
T
X Y Z
1 0 5
1 1 3
1 2 3
2 0 6
2 1 0
2 2 7
how do I get a bar plot of Y stacked (X) vs Z (on the y axis) .
So it will be Y vs Z but Y will have two colors one for 1 and nother for 2.
  2 个评论
dpb
dpb 2022-5-27
Not at all clear what you really intend here, sorry...can you sketch what you think result should be and attach the image?

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dpb
dpb 2022-5-27
编辑：dpb 2022-5-27
For 'stacked' the columns are sum of rows; there are as many bars as rows.
So, if your data array above is XYZ, then
Z=reshape(XYZ(:,3),3,[]);
bar(XYZ(1:3,2),Z,'stacked')
creates the orientation to produce what you've sketched.

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