AWS Certification Exam AI Practitioner (Practice Questions) set7
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On an e-commerce site, I want to recommend products to users individually based on their past ratings. Which approach is most appropriate?
①Predict product labels using an image classification model.
②Use time-series forecasting models such as ARIMA.
③Compress features using principal component analysis.
④Recommendations using collaborative filtering
⑤Recommend using only unsupervised dimensionality reduction.