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Alex Novo

Product designer who has crafted countless <br> user experiences.

Tag: Business

Uncategorized . April 1, 2025

Understanding PCA from Scratch

When working with high-dimensional datasets, visualization and computation become complex. This is where Principal Component Analysis (PCA) comes in—a powerful dimensionality reduction technique. In this post, I’ll break PCA down step by step and show you how I built it from scratch.