Math for Machine Learning

Latent Semantic Analysis for NLP you own this product

This project is part of the liveProject series Math for Machine Learning
intermediate Python (particularly NumPy, Matplotlib, and/or seaborn) • vectors and spaces from linear algebra
skills learned
clean data with regular expressions • mathematical concepts and how and when to apply latent semantic analysis and cosine similarity
Nicole Königstein
1 week · 8-10 hours per week · INTERMEDIATE

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liveProject This project is part of the liveProject series Math for Machine Learning liveProjects give you the opportunity to learn new skills by completing real-world challenges in your local development environment. Solve practical problems, write working code, and analyze real data—with liveProject, you learn by doing. These self-paced projects also come with full liveBook access to select books for 90 days plus permanent access to other select Manning products. $19.99 $29.99 you save $10 (33%)
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At Finative, an ESG analytics company, you’re a data scientist who helps measure the sustainability of publicly traded companies by analyzing environmental, social, and governance (ESG) factors so Finative can report back to its clients. Recently, the CEO has decided that Finative should increase its own sustainability. You’ve been assigned the task of saving digital storage space by storing only relevant data. You’ll test different methods—including keyword retrieval with TD-IDF, computing cosine similarity, and latent semantic analysis—to find relevant keywords in documents and determine whether the documents should be discarded or saved for use in training your ML models.

This project is designed for learning purposes and is not a complete, production-ready application or solution.

book resources

When you start your liveProject, you get full access to the following books for 90 days.

project author

Nicole Königstein

Nicole Königstein currently works as data science and technology lead at impactvise, an ESG analytics company, and as a quantitative researcher and technology lead at Quantmate, an innovative FinTech startup that leverages alternative data as part of its predictive modeling strategy. She’s a regular speaker, sharing her expertise at conferences such as ODSC Europe. In addition, she teaches Python, machine learning, and deep learning, and holds workshops at conferences including the Women in Tech Global Conference.


This liveProject is for ML engineers, intermediate-level Python programmers, and early-stage data scientists who are familiar with the basics of linear algebra. To begin these liveProjects you’ll need to be familiar with the following:

  • Intermediate Python (declaring variables, loops, branches, working with arrays)
  • How to use Jupyter Notebook
  • Understanding of systems of linear equations, vector spaces, and matrix transformations
  • Basic familiarity with NumPy (indexing arrays, array creation, and manipulation)
  • Basic understanding of regular expressions to manipulate a string
  • Basic linear algebra
  • Basic data science

you will learn

In this liveProject, you’ll learn how to preprocess text data using NLP tools, including regular expressions, tokenization, and stop-word removal.

  • Mathematical insights into singular value decomposition (SVD) and why it is such a powerful and useful algorithm
  • Basic mathematics of cosine similarity and when to apply it
  • How to tokenize, clean, and prepare text data
  • The algorithm and mathematical principles of Term Frequency - Inverse Document Frequency (TF-IDF)
  • The mathematical concepts and application of latent semantic analysis (LSA), singular value decomposition (SVD), how it differs from cosine similarity, and when to apply it


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book resources
Get full access to select books for 90 days. Permanent access to excerpts from Manning products are also included, as well as references to other resources.