. Author manuscript; available in PMC: 2016 Jan 31.

Published in final edited form as: J Biomed Inform. 2014 Dec 20;53:320–329. doi: 10.1016/j.jbi.2014.12.005

Table 2.

Representative Variables from Sparse Principal Components

Sparse Principal Component	Variable	SPC Loading	Model Coefficient (δ)
1	Food at Home: Average	0.36	6.1×10⁻⁴
2	Household owns 1 dog	0.49	−1.1×10⁻²
	Renter Occupied Housing Units	−0.41
3	Average Household Size	0.51	−1.2×10⁻²
4	Households with Disposable Income less than $15,000	0.76	2.5×10⁻²

SPC, sparse principal component