error using readtable with "opts" and "TreatAsEmpty" together
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Hi, I am trying to import an xlsx file to a table using the following command:
trial_table = readtable(xlsx_file_path, opts, 'TreatAsEmpty',{'.','NA'});
However, I get the following error:
Error using matlab.io.spreadsheet.SpreadsheetImportOptions/readtable (line 339)
'TreatAsEmpty' is not a recognized parameter. For a list of valid name-value pair arguments, see the documentation for readtable.
I read the documentation, and as far as I understand, 'TreatAsEmpty' should be a recognized name-value pair argument. In fact, when I used only the 'TreatAsEmpty' or the 'opts' input alone, the function worked!
trial_table = readtable(xlsx_file_path, 'TreatAsEmpty',{'.','NA'}); #this works
trial_table = readtable(xlsx_file_path, opts); #this works
trial_table = readtable(xlsx_file_path, opts, 'TreatAsEmpty',{'.','NA'}); #this does not work
trial_table = readtable(xlsx_file_path, 'TreatAsEmpty',{'.','NA'}, opts);#this does not work
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/171636/image.png)
Any ideas why this is not working? Thanks
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Jeremy Hughes
2018-3-28
Hi,
Only a subset of the parameters in READTABLE are allowed with the options. Part of the reason is that, in the import options, you can set TreatAs_Missing_ per-variable.
opts = setvaropts(opts, _yourVars_, 'TreatAsMissing',{'.','NA'});
Hope this helps
Jeremy
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