Best Books/Resources to Learn More About NLP and LDA

I am an aspiring data scientist with a background in statistics, and I really want to dive into the world of Natural Language Processing. I'd like to undertake a project to analyze news articles and perform topic modelling on them. I've been following along with [Text Mining with R](https://www.tidytextmining.com/index.html) to understand a little bit more, however this resource focuses more on performing the analyses rather than some of the theory and math behind some of these topics, specifically LDA. Are …

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