Table 4.

||βnew–βold|| ÷ ||βnew|| after 99 iterations (surveillance, epidemiology, and end results colorectal cancer data).

Learning rate	0.1	0.2	0.3	0.4
Nonsecure	0.056	0.046	0.302	0.347
Our protocol	0.061	0.052	0.047	—a

^aFail to convergence.