text label above the bars

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Rene Sebena 2016-7-2

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https://ww2.mathworks.cn/matlabcentral/answers/293477-text-label-above-the-bars

评论： Rene Sebena 2016-7-3

Hi there,

I am new in matlab and I am trying to put text labels above the bars, so that A is above first one, B above second one etc...Can you help me with this

thank you

y = [10,20,30,15];

a = bar(y);

labels = {'A', 'B', 'C', 'D'};

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Star Strider 2016-7-2

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https://ww2.mathworks.cn/matlabcentral/answers/293477-text-label-above-the-bars#answer_227467

在 MATLAB Online 中打开

This works:

y = [10,20,30,15];
a = bar(y);
labels = {'A', 'B', 'C', 'D'};
xt = get(gca, 'XTick');
text(xt, y, labels, 'HorizontalAlignment','center', 'VerticalAlignment','bottom')

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Image Analyst 2016-7-3

编辑：Image Analyst 2016-7-3

You've never mentioned anything about red or blue before. What is read and blue - the text or the bars or both? And what is the "second one of the group"? I see just one group of 8 bars and they're all blue.

When you said "so above 10, 20, 30 and 15 I have to put for example A and above 15,15,15 and 12 label B" it seemed to us that you wanted bar #'s 1,3,5, and 7 to have an A above them, and bars 2,4,6, and 8 to have a B above them (at least that was a guess on my part that matched what you said). Now you've made it confusing again.

Rene Sebena 2016-7-3

Yes, my fault, sorry for that, I have groups of bars for several subjects and 4 experimental conditions,.. Subject1 results are [10,20,30,15] and subject2 results are [15,15,15,12] so the matrix is like this:

y = [10 15; 20 15;30 15; 15 12];

and I just need to label subject 1 results with eg. "A" and subject 2 results with label "B".

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