13.4.1 Recursive Feature Elimination (L13: Feature Selection)

Published: 27 December 2021
on channel: Sebastian Raschka
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Sebastian's books: https://sebastianraschka.com/books/

In this video, we start our discussion of wrapper methods for feature selection. In particular, we cover Recursive Feature Elimination (RFE) and see how we can use it in scikit-learn to select features based on linear model coefficients.

Slides: https://sebastianraschka.com/pdf/lect...

Code: https://github.com/rasbt/stat451-mach...


Logistic regression lectures:

L8.0 Logistic Regression – Lecture Overview (06:28)
   • L8.0 Logistic Regression -- Lecture O...  

L8.1 Logistic Regression as a Single-Layer Neural Network (09:15)
   • L8.1 Logistic Regression as a Single-...  

L8.2 Logistic Regression Loss Function (12:57)
   • L8.2 Logistic Regression Loss Function  

L8.3 Logistic Regression Loss Derivative and Training (19:57)
   • L8.3 Logistic Regression Loss Derivat...  

L8.4 Logits and Cross Entropy (06:47)
   • L8.4 Logits and Cross Entropy  

L8.5 Logistic Regression in PyTorch – Code Example (19:02)
   • L8.5 Logistic Regression in PyTorch -...  

L8.6 Multinomial Logistic Regression / Softmax Regression (17:31)
   • L8.6 Multinomial Logistic Regression ...  

L8.7.1 OneHot Encoding and Multi-category Cross Entropy (15:34)
   • L8.7.1 OneHot Encoding and Multi-cate...  

L8.7.2 OneHot Encoding and Multi-category Cross Entropy Code Example (15:04)
   • L8.7.2 OneHot Encoding and Multi-cate...  

L8.8 Softmax Regression Derivatives for Gradient Descent (19:38)
   • L8.8 Softmax Regression Derivatives f...  

L8.9 Softmax Regression Code Example Using PyTorch (25:39)
   • L8.9 Softmax Regression -- Code Examp...  

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This video is part of my Introduction of Machine Learning course.

Next video:    • 13.4.2 Feature Permutation Importance...  

The complete playlist:    • Intro to Machine Learning and Statist...  

A handy overview page with links to the materials: https://sebastianraschka.com/blog/202...

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