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Why is it showing: Undefined function or variable 'removeStopWords'.

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Saugata Bose
Saugata Bose 2018 年 11 月 5 日
コメント済み: Christopher Creutzig 2018 年 11 月 26 日
Dear I am using R2017B with text analytics software installed(I have checked by searching get add-ons). I have written a simpole function which is following:
function x=test()
s='i am a boy and u r a grl';
disp(removeStopWords(s));
end
And it shows the following error:
Undefined function or variable 'removeStopWords'.
Would you please shed light on this issue explaining why is this happening?
Thanks,

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回答 (2 件)

Walter Roberson
Walter Roberson 2018 年 11 月 5 日
https://www.mathworks.com/help/textanalytics/ref/tokenizeddocument.removestopwords.html
Introduced in R2018b
madhan ravi
madhan ravi 2018 年 11 月 5 日
編集済み: madhan ravi 2018 年 11 月 5 日
An example of the correct usage as documented
function x=test() %EDITED
s= tokenizedDocument([ 'i am a boy and u r a grl']);
disp(removeStopWords(s));
end
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Christopher Creutzig
Christopher Creutzig 2018 年 11 月 26 日
removeStopWords does not work on strings or char vectors, only on tokenizedDocument.
The way MATLAB searches for functions means that it will only find removeStopWords if you have a tokenizedDocument in your workspace.
>> clear all
>> which removeStopWords
'removeStopWords' not found.
>> td = tokenizedDocument;
>> which removeStopWords
[..]/matlab/toolbox/textanalytics/textanalytics/tokenizedDocument.m % tokenizedDocument method

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