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Table 1.

Principal component analysis of the subsample with present UV and optical Fe II lines and FWHM Fe IIcons < 5000 km/s (220 objects).

Comp. 1 Comp. 2 Comp. 3
Standard deviation 1.75 1.19 1.10
Proportion of Variance 0.44 0.20 0.17
Cumulative Proportion 0.44 0.64 0.81

log λL5100 0.14 0.02 0.86
log REdd 0.42 −0.46 0.33
FWHM Hβ −0.36 0.54 0.21
FWHM Fe IIcons −0.38 0.11 0.16
Fe IIcons/UV Fe II60 0.35 0.56 0.10
Fe IIincons/Fe IIcons 0.42 0.08 −0.24
Fe IIincons/UV Fe II60 0.48 0.41 −0.10

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