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2026-05-03 11:47:30 +08:00
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<text x="190" y="14" text-anchor="middle" fill="#333" font-size="12" font-weight="bold">PCA finds the directions of greatest variance</text>
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<!-- PC1: main direction (longest variance) -->
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<text x="285" y="35" fill="#e74c3c" font-size="11" font-weight="bold">PC1</text>
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<text x="138" y="138" fill="#3498db" font-size="11" font-weight="bold">PC2</text>
<text x="128" y="152" fill="#3498db" font-size="9">remaining</text>
<text x="190" y="175" text-anchor="middle" fill="#666" font-size="10">project onto PC1 to reduce from 2D to 1D</text>
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