. Author manuscript; available in PMC: 2010 Jan 14.

Published in final edited form as: J R Stat Soc Series B Stat Methodol. 2009 Feb 20;71(3):615–636. doi: 10.1111/j.1467-9868.2009.00699.x

Table 3.

Timing comparisons for minimization of the scout criteria. The numbers of CPU seconds required to run four versions of the scout are shown, for λ₁ = λ₂ = 0.2, n = 100, X dense, and various values of p.

p	Scout(1, ·)	Scout(1, 1)	Scout(2, ·)	Scout(2, 1)
500	1.685	1.700	0.034	0.072
1000	22.432	22.504	0.083	0.239
2000	241.289	241.483	0.260	0.466