Value on top of grouped bar graph?

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Ibro Tutic
Ibro Tutic 2017-8-7
编辑： Soyeun Jung 2017-8-8
Assume we had
y=[2 3 4; 1 5 2; 6 2 5]
bar(y)
Would there be anyway to get the value of the bar graphs on top of the bars?

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回答（1 个）

Soyeun Jung
Soyeun Jung 2017-8-7
编辑：Soyeun Jung 2017-8-8
Hi Ibro,
You can calculate the bar offsets within each group and use the text function to plot the y values on top of each bar.
y = [2 3 4 ; 1 5 2; 6 2 5];
b = bar(y);
width = b.BarWidth;
for i=1:length(y(:, 1))
row = y(i, :);
% 0.5 is approximate net width of white spacings per group
offset = ((width + 0.5) / length(row)) / 2;
x = linspace(i-offset, i+offset, length(row));
text(x,row,num2str(row'),'vert','bottom','horiz','center');
end

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