Naïve Bayes and text mining
The multinomial Naïve Bayes classifier is particularly suited for text mining. The Naïve Bayes formula is quite effective to classify the following entities:
- E-mail spams
- Business news stories
- Movie reviews
- Technical papers as per field of expertise
This third use case consists of predicting the direction of a stock given the financial news. There are two type of news that affect the stock of a particular company:
- Macro trends: Economic or social news such as conflicts, economic trends, or labor market statistics
- Micro updates: Financial or market news related to a specific company such as earnings, change in ownership, or press releases
Macroeconomic news related to a specific company have the potential to affect the sentiments ...
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