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Similarly, our uncertainty about the class C, in the absence of any other information, is just the entropy of C: H[C] = X c Pr(C= c)log 2 Pr(C= c) Now suppose we observe the value of the feature X.

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Midterm Review Most people did very well Good use of graphics Good writeups of results A few technical issues gave people trouble F-tests Predictions from linear regression Transforming variables A do-file will be available on Courseworks to check your answers

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