How to use boxchart()?
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Louise Wilson
il 13 Nov 2020
Commentato: Fuqiang Guo
il 23 Dic 2021
I am trying to use a boxchart for the first time as opposed to a boxplot, as it looks to have better functionality for what I want to do.
But, it's not working and I can't understand what's wrong...
On the x axis I would like to have 22 different dates, represented on the y by a box plot of 22*144 data points.
boxchart(data_dB1,dates_concatenated)
Error using boxchart
Expected ydata to be one of these types:
double, single, uint8, uint16, uint32, uint64, int8, int16, int32, int64
Error in boxchart (line 95)
validateattributes(ydata,{'numeric'},{'2d','real'},mfilename,'ydata');
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Cris LaPierre
il 13 Nov 2020
Modificato: Cris LaPierre
il 13 Nov 2020
I think the error is because you are using the syntax boxchart(xgroupdata,ydata), but your inputs are reversed. You put the grouping variable second. Also, your grouping data is not valid for use as xgroupdata.
boxchart(___,'GroupByColor',cgroupdata)
Therefore, try changing your code to
boxchart(data_dB1,'GroupByColor',dates_concatenated)
12 Commenti
Cris LaPierre
il 16 Dic 2021
boxchart was introduced in R2020a. If you have the Statistics and Machine Learning toolbox, you can use boxplot instead. Otherwise, you will need to update your MATLAB version to at least R2020a.
Fuqiang Guo
il 23 Dic 2021
Thank you very much, your advice is very helpful, I'll update my software version
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