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Created
June 15, 2025 09:36
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Machine Learning
Classification
Regression vs Classification
Unsupervised Learning
Supervised Learning: learn from data labeled with the "right answers"
Unsupervised learning: learn something interesting in unlabeled data.
Example - Google News
Example - Clustering DNA microarray
Automate find structures/patterns of data.
Example - Clustering Grouping Customers
Unsupervised Learning Algorithm
Clustering
Group similar data points together
Anomaly Detection
Find unsual data points
Dimensionality Direction
Compress data using fewer numbers
Linear Regression Model
- House Price
- Project Estimation Price
Cost function
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Regression: Predict a number from inifinitely many possible outputs