grpstats for non-numerical data
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Hello Reading the grpstats documentation I realized I can easily count the number of elements that meet 2 conditions like this ( From matlab documentation):
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/197641/image.jpeg)
My data is not numeric and a similar command results in an error. How can I count the number of elements that has D_S='0-30' & the damage rate is 'No Damage' ? My table is attached below
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/197642/image.jpeg)
The first thing that comes to my mind is to substitute the strings with numbers, but I think there is better way! Thank you
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dpb
2018 年 10 月 11 日
Convert those variables to categorical which is what they are, really, not string. Then, internally to Matlab, they are numerical but the interface is still human-readable.)
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