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Deep Learning - Theory and Practice Linear Regression, Least Squares - PowerPoint PPT Presentation

Jan 20, 2023 •157 likes •308 views

Deep Learning - Theory and Practice Linear Regression, Least Squares 27-02-2020 Classification and Logistic Regression http://leap.ee.iisc.ac.in/sriram/teaching/DL20/ deeplearning.cce2020@gmail.com Logistic Regression 2- class logistic

  1. Deep Learning - Theory and Practice Linear Regression, Least Squares 27-02-2020 Classification and Logistic Regression http://leap.ee.iisc.ac.in/sriram/teaching/DL20/ deeplearning.cce2020@gmail.com

  3. Logistic Regression ❖ 2- class logistic regression ❖ Maximum likelihood solution ❖ K-class logistic regression ❖ Maximum likelihood solution Bishop - PRML book (Chap 3)

  11. Learning Using Gradient Descent

  12. Parameter Learning • Solving a non-convex optimization. • Iterative solution. • Depends on the initialization. • Convergence to a local optima. • Judicious choice of learning rate

  13. Least Squares versus Logistic Regression Bishop - PRML book (Chap 4)

  14. Least Squares versus Logistic Regression Bishop - PRML book (Chap 4)

  15. Deep Networks - Are these networks trainable ? • Advances in computation and processing • Graphical processing units (GPUs) performing multiple parallel multiply accumulate operations. • Large amounts of supervised data sets

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