Syuzhet Sentiment of Sacred Texts

These graphs show the “emotional valence” or sentiment over narrative time percent.

That is, they chart the positive and negative valued sentences from beginning to end.  A positive valued sentence would be, “I feel good.” A negative one of equal value would be, “I feel bad.”  A neutral sentence would be, “I feel okay.”  If a positive sentence follows a positive sentence, the chart goes up (and vice versa).  For neutral sentences, the graph moves to zero.

To start off, here is the simple R code to generate the following charts:


The Bible:



(Divided into books by blue lines.  Beginning of New Testament marked with a red line.)


The Quran:






The Bhagavad Gita:







The Upanishads: