Page 28 - Jolliffe I. Principal Component Analysis
P. 28
List of Tables
3.1 Correlations and standard deviations for eight blood
chemistry variables. ..................... 40
3.2 Principal components based on the correlation matrix for
eight blood chemistry variables. .............. 41
3.3 Principal components based on the covariance matrix for
eight blood chemistry variables. .............. 41
3.4 Correlation matrix for ten variables measuring reflexes. . 58
3.5 Principal components based on the correlation matrix of
Table 3.4 ........................... 59
4.1 First three PCs: student anatomical measurements. . . . 65
4.2 Simplified version of the coefficients in Table 4.1. ..... 66
4.3 Variables used in the PCA for the elderly at home. .... 69
4.4 Interpretations for the first 11 PCs for the ‘elderly at home.’ 70
4.5 Variables and substituents considered by
Hansch et al. (1973). ..................... 75
4.6 First four PCs of chemical data from Hansch et al. (1973). 75
4.7 Simplified coefficients for the first two PCs:
stock market prices. ..................... 77
5.1 First two PCs: artistic qualities of painters. . ....... 84
5.2 First two PCs: 100 km running data. ........... 99

