r_subheading-Course Description-r_end In this tutorial series on r_link-Introduction to Text Analytics with R- https://online.datasciencedojo.com/course/Text-Analytics-with-R-r_end, we will discuss Latent Semantic Analysis by leveraging irla package in R to singular value decomposition. r_break r_break r_subheading-What You'll Learn-r_end • Use of the irlba package to perform truncated SVD. r_break • How to project a TF-IDF document vector into the SVD semantic space (i.e., LSA). r_break • Comparison of model performance between a single decision tree and the mighty random forest. r_break • Exploration of random forest tuning using the caret pack age.