CS 4407 Data Mining and Machine Learning - Term 3, 2018-2019 2026/2027 Complete and 6pages

Home â–º My courses â–º CS 4407 - AY2019-T3 â–º Final Exam (Days 1 - 4) â–º Final Exam (Proctored)

Question 31

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Assuming a data set with 2,306 training outcomes of which 895 are

negatives, what is the Entropy?

Round your answer to the nearest thousandths place:

CS 4407 Data Mining and Machine Learning - Term 3, 2018-2019

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Question 32

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Assume that you have the following perceptron with the assigned weights

and the input values as shown.   Further assuming that your perceptron

will use an activation function based upon a simple step function with a

threshold value of .5 (summation of weighted inputs must exceed .5), will

the neuron re and output a value and if so what value?

Select one:

a. Will not re / no value

b. 1

c. 0.35

d. 0.5

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