cse512_midterm_sample.pdf - Stony Brook University CSE512...

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Stony Brook University CSE512 – Machine Learning – Spring 18 Midterm exam – sample questions This document provides a few sample questions for the midterm example. The real midterm exam contains more questions and cover a wider range of topics. 1 True/False (Write one (1) sentence justification.) 1. true/false Logistic Regression is generally better than Naive Bayes when we have a lot of training data. 2. true/false Support Vector Machine is a generative classifier 2 Short Questions The following short questions should be answered with at most two sentences, and/or a picture. For yes/no questions, make sure to provide a short justification. 1. Briefly explain the difference between (batch) gradient descent and stochastic gradient descent. Give an example of when you might prefer one over the other. 2. Why do you use kernels to model a projection from attributes into a feature space, instead of simply projecting the dataset directly and using this as input into our learning algorithm?
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