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

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Todd Pierce
Todd Pierce on 25 Apr 2022
Edited: Cris LaPierre on 26 Apr 2022
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

Accepted Answer

Cris LaPierre
Cris LaPierre on 25 Apr 2022
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.
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