Preprocessing & Classification Analysis
2,001 DataWord filtering process (NLP Preprocessing) and Naive Bayes Classifier probability classification of each public opinion.
NLP Preprocessing & Classification Stages
1
Cleansing
Removing non-alphabet characters, mentions, hashtags, and URLs from text.
2
Case Folding
Converting all comment text to lowercase.
3
Filtering
Eliminating conjunctions and common words (Stopwords removal).
4
Stemming
Removing word affixes to find the Indonesian root word.
5
Bayes Classification
Calculating prior & likelihood values to conclude the final sentiment.
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