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Jolliffe I. Principal Component Analysis (2ed., Springer, 2002)(518s)

Jolliffe I. Principal Component Analysis (2ed., Springer, 2002)(518s)

Jolliffe I. Principal Component Analysis (2ed., Springer, 2002)(518s)

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322 12. PCA for Time Series and Other Non-Independent Data0.60.4Smoothed coefficient0.20-0.2Smoothed PC1Smoothed PC2Smoothed PC3-0.40.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5distance (km)Figure 12.11. Smoothed version of Figure 12.10 using a spline basis; dots arecoefficients from Figure 12.10.0.80.6eigenfunction value0.40.20-0.2FPC1FPC2FPC3-0.40.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5distance (km)Figure 12.12. Coefficients (eigenfunctions) for the first three components in afunctional PCA of the 100 km speed data using a spline basis; dots are coefficientsfrom Figure 12.10.

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