How to create a correct barplot from table?

Question

Szabó-Takács Beáta 2020-9-10

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https://ww2.mathworks.cn/matlabcentral/answers/591727-how-to-create-a-correct-barplot-from-table

回答： Cris LaPierre 2020-9-10

Dear All,

I have a table T where the first column values are: '< 20°', '21°- 30°', '31° - 40°', '41° - 50°', '51° - 60°', '> 61°'. I attached a figure about the T table. I created a bar plot by:

bar(categorical(T{1:6,1}),T{1:6,2:10});
legend({"0","1","2","3","4","5","6","7","8"});

I attached the resulted figure. The first x-axes value is '21°- 30°' and the value of '< 20°' is at the end. I do not understand why. Could someone write a suggestion to fix this issue?

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Ameer Hamza 2020-9-10

Can you attach the table T as a mat file?

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Answer 1

Cris LaPierre 2020-9-10

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https://ww2.mathworks.cn/matlabcentral/answers/591727-how-to-create-a-correct-barplot-from-table#answer_492769

You probably need to impose an order on your categorical data. Otherwise, it is automatically arranged in alpha-numeric order. Use the reordercats function for this.