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MLS-C01 · Question #140

MLS-C01 Question #140: Real Exam Question with Answer & Explanation

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Modeling

Question

A data scientist must build a custom recommendation model in Amazon SageMaker for an online retail company. Due to the nature of the company's products, customers buy only 4-5 products every 5-10 years. So, the company relies on a steady stream of new customers. When a new customer signs up, the company collects data on the customer's preferences. Below is a sample of the data available to the data scientist. How should the data scientist split the dataset into a training and test set for this use case?

Options

  • AShuffle all interaction data.
  • BIdentify the most recent 10% of interactions for each user.
  • CIdentify the 10% of users with the least interaction data.
  • DRandomly select 10% of the users.

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Topics

#Data Splitting#Recommendation Systems#Training and Testing#Dataset Preparation
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