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15 Cards in this Set
- Front
- Back
- Grew out of work in AI - New capability for computers |
What is Machine Learning? |
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- Database mining Large datasets from from growth of automation/web E.g. web click data, medical records, biology, engineering |
What are examples of machine learning applications? |
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Autonomous helicopter, handwriting recognition, natural language processing, computer vision -Self-customizing programs e.g. amazon, netflix product recommendations - understanding human learning (brain, real AI) |
What are machine learning applications that cant be programmed by hand? |
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Type of learning that the "right answers" is given Regression: predict continuous valued output (price) |
What is supervised learning? |
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Type of problem with discrete valued output (0 or 1) |
What is a classification problem? |
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Clustering algorithm; doesn't require the "right answers"
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What is an unsupervised learning algorithm? |
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Organize computing clusters Social network analysis Market segmentation Astronomical data analysis |
What are examples of clustering, an unsupervised learning algorithm? |
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Octave |
What is a machine learning language? |
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The number of training examples |
What is m? |
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The squared error function |
What is the cost function? aka J(theta0,theta1) |
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The learning rate for the gradient descent algorithm; controls the rate of the descent |
What is alpha? |
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Is not commutatitve |
What is matrix multiplication? |
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A x (B x C) = (A X B) X C |
What is the associative property? |
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A matrix with these dimensions has an inverse |
What is m x m? Or what is a square matrix? |
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These matrices don't have an inverse |
What are "singular" or "degenerate"? |