Question

When discussing this phenomenon, the textbook Model Selection and Model Averaging rhetorically asks “Is the monkey who typed Hamlet actually a good writer?” For 10 points each:
[10m] Name this phenomenon in machine learning that can be prevented using k-fold cross-validation and regularization.
ANSWER: overfitting [or overtraining]
[10h] This technique can prevent overfitting in neural networks by introducing a layer that randomly “shuts off” some incoming units by setting their weights to zero.
ANSWER: dropout [prompt on dilution]
[10e] The patent for dropout is owned by this company that maintains the TensorFlow library. In 2024, this company introduced “AI overview” to supplement its PageRank algorithm.
ANSWER: Google [accept Alphabet]
<Oxford B, Other Science>

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Summary

California2025-02-01Y323.33100%100%33%
Florida2025-02-01Y220.00100%50%50%
Midwest2025-02-01Y618.33100%67%17%
Overflow2025-02-01Y516.0080%60%20%
Pacific Northwest2025-02-01Y220.00100%100%0%
South Central2025-02-01Y220.00100%50%50%
Southeast2025-02-01Y310.00100%0%0%
UK2025-02-01Y1022.0080%60%80%

Data

Georgetown ANotre Dame C001010
IowaGeorgetown B0000
Northwestern ANorthwestern B1001020
PurdueNotre Dame A1001020
Stanford BNotre Dame B10101030