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Learn AI with Python · Lesson

Dimensionality Reduction Basics

Introduction to PCA and t-SNE.

1

Dimensionality Reduction Basics

Dimensionality reduction is the process of reducing the number of input variables (features) in a dataset while retaining essential information. It helps in simplifying data and improving computational efficiency.

Dimensionality Reduction Basics — illustration 1

2

Why Dimensionality Reduction is Important

High-dimensional datasets can lead to:

  • Overfitting: Models may capture noise instead of patterns.
  • Increased Complexity: Computationally expensive to process.
  • Visualization Challenges: Difficult to interpret data with many dimensions.

All lessons in this course

  1. Introduction to Clustering Algorithms
  2. K-Means Clustering
  3. K-Means Clustering Project
  4. Dimensionality Reduction Basics
  5. Dimensionality Reduction Application
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