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. 2021 Jan 29;210:104256. doi: 10.1016/j.chemolab.2021.104256

Table 1.

The parameters of the used classifiers.

Group Classifier Parameters
Tree [[51], [52], [53]] Fine Number of splits: 100, Criteria: Gini
Medium Number of splits: 20, Criteria: Gini
Discriminant [54] Linear Discriminant Covariance structure is full.
SVM [55] Cubic Kernel: Cubic (3rd degree polynomial), C: 1, Multiclass: 1 vs 1
Quadratic Kernel: Quadratic (2nd degree polynomial), C: 1, Multiclass: 1 vs 1
Gaussian Kernel: Gaussian, C: 1, Multiclass: 1 vs 1
Linear Kernel: Linear, C: 1, Multiclass: 1 vs 1
k-NN [50] Fine k:1, Distance: City Block, Weight: Equal
Medium k:10, Distance: Euclidean, Weight: Equal
Coarse k:100, Distance: Euclidean, Weight: Equal
Cosine k:10, Distance: Cosine, Weight: Equal
Cubic k:10, Distance: Cubic, Weight: Equal
Weighted k:10, Weight: Squared inverse Distance: Euclidean,
Ensemble [56] Bagged Tree Method: Bag, Splits: 434, Learners: 30 Learner type: Decision tree,
Subspace discriminant Subspace domain: 308,Method: Subspace, Learners: 30, Learner type: Discriminant
Subspace k-NN Subspace domain: 308, Method: Subspace, Learners: 30, Learner type: k-NN,