VL III - Linear/Logistic Regression

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Last updated 7:29 AM on 6/7/26
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11 Terms

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Whats linear Regression

Supervised learning method to find linear model form

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Different Nonlinear functions

  • Sigmoid

  • Tanh

  • ReLU

  • Leaky ReLU

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What does a Computational Graph include

  • Compute Nodes (Neurons/Operations)

  • Edges connecting Notes (Data Flow)

  • Is directional

  • can be organized into layers

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Whats Binary Cross entropy

Output is either 0 or 1

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Whats Cross entropy

Multi class output possible

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How to find better Non-linear Neural Network (Optimization)

Gradient Descent

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Other Methods for optimization

  • Newtons Method

  • L-BFGS

  • Adaptive Moments

  • Conjugate Gradient

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What are Neural Networks

Computational graphs

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Goal of Neural Network optimization

For a given train set find optimal weights

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How are Gradients calculated

Backpropagation

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How does backpropagation work

Going the computational graph in reverse and using chain rule