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Introduction to Introduction to Sensory Data Analysis - Camo

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4. Principal Component <strong>Analysis</strong>: PCA / a) Theory<br />

Map of samples<br />

Average<br />

sample<br />

• Toma<strong>to</strong>es displayed as a<br />

score plot.<br />

• The purpose is <strong>to</strong><br />

describe products<br />

according <strong>to</strong> their<br />

sensory characteristics.<br />

• The relative positions of<br />

products reflect their<br />

similarities or<br />

differences.

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