You are given a dataset of customer reviews but without any labels indicating sentiment. You want to group similar reviews together. Which type of learning approach will you employ?
- Reinforcement Learning
- Semi-supervised Learning
- Supervised Learning
- Unsupervised Learning
In this scenario, you will use unsupervised learning. Unsupervised learning is employed when you have unlabelled data and aim to discover patterns or group similar data points without prior guidance.
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