Slide 1: Unsupervised Machine Learning. Slide 2: What is Unsupervised Learning?. Slide 3: Why Unsupervised Learning?. Slide 4: Types of Unsupervised Learning. Slide 5: Clustering Algorithms. Slide 6: Dimensionality Reduction. Slide 7: Applications in the Real World. Slide 8: Advantages & Disadvantages. Slide 9: Unsupervised vs. Supervised Learning. Slide 10: Conclusion & Future Trends