Machine Learning Lecture 2: Sentiment Analysis (text classification)

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In this video we work on an actual sentiment analysis dataset (which is an instance of text classification), for which I also provide Python code (see below). The approach is very similar to something that is commonly called a Naive Bayes Classifier.

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3:38 is what is needed for C111 calculation, 6:48 is the limitation. Upvote for future RP use.

MajorBlitz
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Thank you very much for the video, and thank you TONS for the 5k good and 5k bad!

This is very valuable!

sentdex
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This video example of text classification is great, Andrej! Thanks for sharing.

BrandonWeinberg
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Very Good tutorial ... Lots of lectures on machine learning but none teaching how to apply the algorithm in practice .

maxbuzz
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wow so simple and yet gives 80% accuracy. Thanks for the video, very interesting

shebotnov
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You should be making more videos. These are well explained

collectedreader
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really great video and explaination. much thanks for your efforts.

ReasoningBean
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A very good tutorial. Thank you very much. Could you please post a link to the polarity dataset being used here ??

edwinanto
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Really good talk. Thank you for posting.

mayaahmed
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HI FELLOW RP STUDENTS DOING C111 STAY STRONG NEW MEDIA SUCKS XOXO

tabistudios
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Awesome video.. please make some more..

slntscrms
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Forgot to thank you for the effort and time...!!!

slntscrms
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RP C111 sucks so much. Have to watch this burden video sianjipua -.- E2 swag!

BonkereProductions
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Hi-A very good explanation for the Classification problem !
Keep up the good work.

nayan
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Thank you very much for the video, and thank you

ilkersenturk
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nice explanation....but where can I find that script in the video??? script is not visible in the video

rajeevvenkata
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How do you count number of word "Sweet" from the entire training set to calculate the goodness score accordingly?

ChocoNo
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Hi, I tried to access the link given in the description but it says 'Not Found'. Please rectify this at the earliest.

kavyaak
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hello Sir, The link is not working can you please share the code

rashmigulhane
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How do you know if a sentence is good or bad ?

shaggyzee
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