Multiview Deep Forest for Overall Survival Prediction in Cancer

Table 6

Ablation experiment on GCOS data set under recall, precision, F1, and accuracy. On the basis of gcForest, two feature extraction methods and on pruning method are compared.

Method	Classification	Recall	Precision	F1	Accuracy
gcForest	years	66.67%	95.65%	78.57%
	years	53.85%	61.40%	57.38%	72.5%
		83.22%	70.06%	76.07%
Multiview feature extraction	years	65.15%	84.31%	73.50%
	years	58.46%	79.17%	67.26%	74.64%
		85.91%	70.72%	77.58%
IB theory-based feature extraction	years	60.61%	76.92%	67.80%
	years	53.85%	76.09%	63.06%	73.57%
		87.92%	71.98%	79.15%
Pruning cascade forest	years	54.55%	94.74%	69.23%
	years	66.15%	58.90%	62.32%	71.43%
		81.21%	71.60%	76.10%
MVDF	years	63.64%	95.45%	76.36%
	years	63.08%	74.55%	68.33%	75.36%
		85.91%	70.72%	77.58%