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Recent questions tagged nlp

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1.5k
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Creating tables from unstructured texts about stock market
I am trying to extract information such as profits, revenues and others along with their corresponding dates and quarters from an unstructured text about stock market and...
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0 0 answers
493
493 views
Binary Classification and neutral tag
I am trying to create a sentiment analysis model using binary classification as loss.I have a batch of tweets that some of them are tagged as positive (labeled as 1) and ...
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0 0 answers
499
499 views
"Rare words" on vocabulary
I am trying to create a sentiment analysis model and I have a question.After I preprocessed my tweets and created my vocabulary I've noticed that I have words that appear...
2 2 votes
1 answers 1 answer
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4.9k views
How to calculate the class probabilities and classify using Naive Bayes classifier for NLP?
We want to use Naive Bayes for tagging documents. It is a classification task that we want to assign a class (tag) to each string. We currently have two tags: Sport and N...
2 2 votes
1 1 answer
560
560 views
How to perform sentiment analysis in NLP?
If trying to read text and need to finalize texts as good, bad , ugly or any such buckets, where to start? What sentiment functions to use?
1 1 vote
1 1 answer
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1.6k views
What are Natural Language Processing (NLP) and its applications?
1 1 vote
1 1 answer
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What is TF-IDF algorithm?
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