Sentiment Analysis using tidytext package in R

Sentiment analysis is all about finding polarity (positivity and negativity) of a given text which can be a single word, a single sentence, a single document and maybe a whole book, novel or magazine. In this paper, sentiment analysis of the harry potter series is done using "tidytext" package in R. The "tidytext" package includes three lexicons and this paper discusses sentiment analysis results encountered by them on same data. This study has analyzed results of all three lexicons for the harry potter series and found that overall sentiments of the harry potter series are negative on the basis of positive and negative words present in the series.