Course Description

In this tutorial series on Introduction to Text Analytics with R, we will discuss Latent Semantic Analysis by leveraging irla package in R to singular value decomposition.

What You'll Learn

  >  Use of the irlba package to perform truncated SVD.

  >  How to project a TF-IDF document vector into the SVD semantic space (i.e., LSA).

  >  Comparison of model performance between a single decision tree and the mighty random forest.

  >  Exploration of random forest tuning using the caret pack age.

Text Analytics Tutorial slides can be accessed here

Download R here

SMS Spam Collection Dataset used in this tutorial can be accessed here

Data Science Dojo Instructor - Data Science Dojo is a paradigm shift in data science learning. We enable all professionals (and students) to extract actionable insights from data.