The Sample-Computational Tradeo ff

author: Shai Shalev-Shwartz, School of Computer Science and Engineering, The Hebrew University of Jerusalem
published: Jan. 16, 2013,   recorded: December 2012,   views: 3907


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When analyzing the error of a learning algorithm, it is common to decompose the error into approximation error (measuring how well the hypothesis class fits the problem) and estimation error (due to the fact we only receive a finite training set). In practice, we usually pay an additional error, called optimization error, due to the fact that we have a limited computational power. I will describe this triple tradeoff and will demonstrate how more training examples can lead to more efficient learning algorithms.

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