MATLAB: Is vaderSentimentScores available in R2019a

machine learningstring

I am trying to apply vader sentiment score following this link.

But, after executing the program for a string, I found this error,

vaderSentimentScores('i am a boy')
Undefined function or variable 'vaderSentimentScores'.

Is the function available in matlabr2019a?

Best Answer

No, vaderSentimentScores was Introduced in R2019b. See bottom of the page.

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You will need to upgrade to release R2019a or later, have Text Analytics Toolbox installed and licensed, and call addEntityDetails with a tokenizedDocument as its first input to use this function.

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"This command is not supported in MATLAB 2016b?"

Scroll to the very bottom of that help page. It says in bold letters:

Introduced in R2017a

"is there any substitute command?"

write it yourself
get it from someone who has already written it
pay someone to write it for you
update your MATLAB version

Best Answer

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