Bar plot with lower values not fixed

Question

Todd Welti 2023-9-25

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2025642-bar-plot-with-lower-values-not-fixed

评论： Star Strider 2023-9-26

I'd like to make a plot for 9 item, each having 2 bars spaced close together, showing two related values. I want to have the bottoms of each bar not fixed at 0 or at some fixed offset. i want to show the range of values for each object in other words, max and min. no outliers or whiskers or percentiles. Kind of like as shown in the picture, but with EACH of the bottoms of the bars specifiable in Y value, not fixed..

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Answer 1

Star Strider 2023-9-25

2
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2025642-bar-plot-with-lower-values-not-fixed#answer_1318022

在 MATLAB Online 中打开

Use the patch function in a loop —

x = (1 : 9).'; % Assume Column Vectors

xd = repmat([-0.1 0.1], numel(x), 1) + x

xd = 9×2

0.9000 1.1000 1.9000 2.1000 2.9000 3.1000 3.9000 4.1000 4.9000 5.1000 5.9000 6.1000 6.9000 7.1000 7.9000 8.1000 8.9000 9.1000

xos = 0.125; % Spatial Separation ('x')

y = rand(numel(x),2) % Y-Values

y = 9×2

0.4302 0.6695 0.0597 0.3789 0.8846 0.3307 0.5977 0.8536 0.3026 0.2960 0.9167 0.9977 0.7873 0.5228 0.9008 0.2920 0.9802 0.0182

VarNames = ["A","B","C","D","E","F","G","H","I"];

figure

hold on

for k = 1:numel(x)

patch([xd(k,:) flip(xd(k,:))]-xos, [-1 -1 1 1]*y(k,1)/2, 'r')

patch([xd(k,:) flip(xd(k,:))]+xos, [-1 -1 1 1]*y(k,2)/2, 'b')

end

hold off

xticks(x)

xticklabels(VarNames)

This sets the bars to be symmetric about the midpoiint. It should not be difficult to adjust the code to use other options, since that simply requires changing the y-argument to the patch calls.

.