Reviewing the basics of English grammar
For the past few days, I've been reviewing English grammar. No, I'm not prepping for a language exam. Rather, I was working on a side project about natural language processing. This project involved reading about different parts of speech (POS)... nouns, pronouns, verbs, adjectives, adverbs, prepositions, interjections, and conjunctions. In calculating the importance of individual words from over 5000 summaries of scientific articles, I learned that I could actually choose which POS I could include in the analyses. For example, I could remove many conjunctions and prepositions because they appear too often in text, thereby not important (at least in the context of determining what the article is all about). For the purposes of my little side project, I opted to keep nouns only; after all, I was looking for popular keywords from a relatively big body of work on a specific topic. Singular and plural forms of nouns introduce sparsity in the analyses; I could minimise sparsity by