Hierarchical Models and Tuning of Random Walk Metropolis Algorithms

Table 3

Stochastic volatility: efficiency and time-adjusted efficiency measures for the four samplers tested.

Sampler	Efficiency			Time-adjusted efficiency
	Mean ASJD	Minimum ESS	Mean time
	()	()	()	(×1,000)	(×1,000)
RWM	0.3994	103.37	367.34	1.0873	281.40
Fixed RWM-w-G	0.6420	116.58	371.93	1.7261	313.45
Local RWM-w-G	0.6740	132.40	371.38	1.8149	356.51
Adapt. Met.	0.6320	347.76	1,149.26	0.5499	302.59