Trying to complete a boxplot for the Z values of a matrix

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Todd Pierce 2022-4-25

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编辑： Cris LaPierre 2022-4-26

I am trying to make a boxplot of the data in a matrix of size [925x902] so i dont want the boxplot to make multiple plots of each column/row and instead one single plot of all the data within the matrix

the matrix is called D and i have the statistical package install on MATLAB version R2021a

Any way t plot this as simple boxplot(D) does not work and error messages come up;

Integers can only be combined with integers of the same class, or scalar doubles.

Any ideas

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Star Strider 2022-4-25

Reference — Trying to find the min non-zero value of a [925x902] matrix

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Cris LaPierre 2022-4-25

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1704865-trying-to-complete-a-boxplot-for-the-z-values-of-a-matrix#answer_950665

在 MATLAB Online 中打开

MATLAB will treat each column as a separate data series.

A = rand(10,5);

boxchart(A)

If you want to only have a single boxplot containing all the data, use the colon operator to turn your matrix data into a vector.

figure

boxchart(A(:))

By the way, I'm using boxchart here, which is in base MATLAB, as opposed to boxplot, which requires the Statistics and Machine Learning toolbox. This approach will work with either.