Error using boxchart on matrix data

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Yngve Bøe 2021-5-6

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/823160-error-using-boxchart-on-matrix-data

评论： Cris LaPierre 2023-10-27

I am trying to use boxchart() to plot a 3x44 double matrix in Matlab R2020b. Let's call my variable 'Y'. When I call boxchart(Y) I get the following error message:

% Error using boxchart (line 108)
% Data inputs must match the axis configuration. A numeric axis must have numeric data inputs or data inputs which can be converted to double.

Line 108 refers to this:

107    % Configure x-axis and convert xgroupdata to numeric
108    matlab.graphics.internal.configureAxes(cax,xgroupdata,ydata);

I get the same error message if I follow the tutorial here: openExample('graphics/CreateBoxChartsFromMatrixDataExample')

What may be the issue here?

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Thorsten Becker 2021-8-25

i hvae the same issue. I run 2021a

Cris LaPierre 2021-8-25

Please share your code and the complete error message (all the red text)

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回答（1 个）

Roelof du Plessis 2023-1-16

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/823160-error-using-boxchart-on-matrix-data#answer_1149515

First create a new empty figure before running boxchart. A previous figure with a "hold on" can cause this error.

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Daniel Song 2023-10-27

I had a similiar issue. This fixes it, thanks

Cris LaPierre 2023-10-27

As a best practice, always pair a 'hold on' with a 'hold off'

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