Text Mining LOST

We’re text mining the transcripts of the TV show LOST, and visualizing them! I wondered how much the dialogue text contributes to a TV show, and whether you would be able to “detect” things in it, looking only at the words that the characters speak, removed from how their actors looked or sounded like. How much of the writing shows through and contributes, especially in this “mass production” mentality of similar entertainment media?
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