Categorical data not supported

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@gilbertogalvis 已经在做这个了。

开始于 2021年10月16日。

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描述

When using categorical data on different types of plots, an error is being printed.

For example,

tbl = readtable(fullfile(matlabroot,'examples','matlab','data','BicycleCounts.csv'));
daynames = ["Sunday" "Monday" "Tuesday" "Wednesday" "Thursday" "Friday" "Saturday"];
x = categorical(tbl.Day,daynames);
y = tbl.Total;
c = hour(tbl.Timestamp);
swarmchart(x,y,20,c,'filled');

fig2plotly();

Prints the following warning message:

Index in position 2 exceeds array bounds (must not exceed 1).
We had trouble parsing the scatter object.
This trace might not render properly.

Then, prints the following error:

Error using response_handler (line 31)
Hm... Plotly had some trouble decoding your
'args'. Are you sure your data or styling object
is in the right format? Check out the examples
at https://plotly.com/api for guidance.

Need help? Please try searching Plotly's <a
href='http://stackoverflow.com/questions/tagged/plotly'>Stack
Overflow channel</a>.

Error in makecall (line 32)
    response_handler(resp);

Error in plotly (line 28)
response = makecall(args, origin, structargs);

Error in plotlyfig/plotly (line 437)
                response = plotly(obj.data,
                args);

Error in fig2plotly (line 49)
p.plotly;

Error in D_swarmchart_4 (line 42)
fig2plotly();

Expected plot:
Captura de Pantalla 2021-07-26 a la(s) 12 03 52 a  m

An example using categorical data can be found on:
https://www.mathworks.com/help/matlab/ref/swarmchart.html#mw_b4fe23df-071d-4ceb-991c-c53325d89599

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