Applications of Bayesian Gene Selection and Classification with Mixtures of Generalized Singular 𝑔-Priors

Table 5

Performance comparison of different procedures with LOOCV for the colon cancer study.

Methods	No. of genes	LOOCV error rate	LOOCV accuracy
Bayesian 𝑔-prior	5	0.0390 (3/77)	0.9610 (74/77)
Bayesian 𝑔-prior	6	0.0519 (4/77)	0.9481 (73/77)
Bayesian 𝑔-prior	10	0.0649 (5/77)	0.9351 (72/77)
Bayesian 𝑔-prior	14	0.0779 (6/77)	0.9221 (71/77)
Bayesian 𝑔-prior	20	0.0779 (6/77)	0.9221 (71/77)
HBE	6	0.0390 (3/77)	0.9610 (74/77)
𝑡-test + probit regression	6	0.1169 (9/77)	0.8831 (68/77)
𝑡-test + probit regression	10	0.1558 (12/77)	0.8442 (65/77)
𝑡-test + probit regression	14	0.2208 (17/77)	0.7792 (60/77)