Question: Common applications of unsupervised learning include dimension reduction and prediction model. True or False Oversampling involves intentionally selecting more samples from one class than from

Common applications of unsupervised learning include dimension reduction and prediction model.

True or False

Oversampling involves intentionally selecting more samples from one class than from other classes to adjust the class distribution of a data set.

True or False

The principal component analysis (PCA) is a dimension reduction technique used to reduce variables without removing variables.

True or False

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