Identifying Potential Clinical Syndromes of Hepatocellular Carcinoma Using PSO-Based Hierarchical Feature Selection Algorithm

Table 6

The computational cost of structure learning for some Bayesian networks.

Bayesian networks	The number of nodes	Computational time of structure learning (second)
Emotion	3	0.06
Cardiothoracic condition	4	0.41
Diet	7	4.23
Potential syndrome set (OPS)	24	606.88