Course Description

This video series includes specific coverage of latent semantic analysis (LSA), vector space model (VSM), & singular value decomposition (SVD)

The trade-offs of expanding the text analytics feature space with N-Grams.

What You'll Learn

  >  How bag-of-words representations map to the vector space model.

  >  Usage of the dot product between document vectors as a proxy for correlation.

  >  LSA as a means to address the curse of dimensionality in text analytics.

  >  How LSA is implemented using SVD.

  >  Mapping new data into the lower dimensional SVD space.

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.