Create Readme.md

Author: nikhilsu

top-tokens-in-reviews/Readme.md

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+## Top tokens in product reviews
+Categorizing each product review based on the overall rating of a product and finding the top 2000 words(tokens) in each of these categories(buckets)! Extensively using Java Streams and Lamdbas.
+
+- Product reviews are categorized into 5 buckets using the overall rating integer!
+- Each review is then cleaned by removing stop-words (data/stop_words.txt) and non-alphabetical characters!
+- Word count analysis is then performed and top 2000 words are chosed for each bucket!
+
+### Build and run:-
+```
+mvn clean install package
+bash run.sh
+```
+
+#### Ouputs in Bucket1, Bucket2... Bucket5 directories.