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skycckk ?????? 2017-10-19 15:05:20 | ֻ???????? ???????? |??????? |?Ķ?ģʽ

2018(10-12??) ??ũ?? ???? ȫְ@Citadel - ???Ϻ?Ͷ - ???߱??? |Otherfresh gradӦ???ҵ??

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1. Which of the following quantities can NOT be used to optimize a machine learning algorithm?A. cross-entropy.
B. mean square error

C. Dollor value
D. Accuracy
E. All of the above

2. Among the programmers in a software company, two-fifths know Java and one-quarter know both Java and C++. What fraction of those in the company of who know java also know C++?
A. 1/4
B. 3/8. From 1point 3acres bbs
C. 5/8
D. 3/4
E. 4/5
. 一亩-三分-地,独家发布
3. Marty has a bar of gold. Marty's frined Shea is to be paid this gold over the course of 15 days, such that on day X, 0 <= X <= 15, Shea has exactly X/15 of the total gold. Additionally, on day 0, Shea has no available gold to use as change. What is the minimum number of pieces that Marty must break the gold var into so that he can pay Shea in this way?-google 1point3acres
A. 4
B. 5
C. 7
D. 8
E. 15. 一亩-三分-地,独家发布

4. Which of the following techniques are useful for improving the fitting process of machine learning models?. From 1point 3acres bbs
I. Subtracting the man from a set of data for natural language processing tasks.
II. Scaling and normalizing the features.
III. Imposing a regularization constraint to avoid overfitting..本文原创自1point3acres论坛
IV. Performing a random hyperparameter search instead of a grid search to tune the model parameters.
A. I, II, III
B. I, II, IV.1point3acres网
C. I, III, IV
D. II, III, IV
E. I, II, III, IV

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aileen808 ?????? 2017-10-19 15:12:36 | ֻ????????
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summerisc ?????? 2017-10-19 22:36:13 | ֻ????????
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steveyang94 ?????? 2017-10-20 00:29:10 | ֻ????????
Thanks for sharing!!!
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torresyang ?????? 2017-10-20 00:47:30 | ֻ????????
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wxr4102356 ?????? 2017-10-20 13:33:03 | ֻ????????
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offer ?????? 2017-10-20 14:18:38 | ֻ????????
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wangjiahui3211 ?????? 2017-10-21 07:34:05 | ֻ????????
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