1 What is Machine Learning? - Computer Science …

COS 511: Theoretical Machine LearningLecturer: Rob SchapireLecture #1 Scribe: Rob SchapireFebruary 4, 20081 What is Machine Learning? Machine learning studies Computer algorithms for learningto do stuff. We might, forinstance, be interested in learning to complete a task, or tomake accurate predictions,or to behave intelligently. The learning that is being done is always based on some sortof observations or data, such as examples (the most common case in this course), directexperience, or instruction. So in general, Machine learning is about learning to do better inthe future based on what was experienced in the emphasis of Machine learning is onautomaticmethods. In other words, the goal isto devise learning algorithms that do the learning automatically without human interventionor assistance. The Machine learning paradigm can be viewed as programming by example. Often we have a specific task in mind, such as spam filtering. But rather than programthe Computer to solve the task directly, in Machine learning , we seek methods by which thecomputer will come up with its own program based on examples that we learning is a core subarea of artificial intelligence.

classification predicted rule prediction algorithm machine learning example new examples training labeled Figure 1: Diagram of a typical learning problem.

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