Let's now build a sentiment classifier by training the preceding CNN document model. We will be using the Amazon Reviews for Sentiment Analysis dataset from https://www.kaggle.com/bittlingmayer/amazonreviews to train this model. This dataset consists of a few million Amazon customer reviews (input text) and star ratings (output labels). Here is the the data format: label followed by space, review titles followed by : and a space, are prepended to the review text. This dataset is much bigger than the popular IMDB Movie Review dataset. Also, this dataset contains quite a diverse set of reviews of various products and also movies:
__label__<X> <summary/title>: <Review Text>Example:__label__2 Good Movie: ...
