Research Article

Speech as a Biomarker for COVID-19 Detection Using Machine Learning

Table 3

Performance metrics for binary classification algorithms.

Classification algorithmsOptimal
Parameterization
Performance metrics
Mean value (standard deviation)
ACCPRERECF1 scoreAUC

BDTNo. of Leaves: 16
Learning rate: 0.05
No. of trees: 100
0.724 (0.048)0.714 (0.037)0.7037 (0.063)0.7088 (0.052)0.717 (0.053)
DFRandom split Count: 128
Maximum Depth: 32
No. of decision trees: 16
0.7317 (0.021)0.7421 (0.017)0.7892 (0.081)0.7649 (0.025)0.755 (0.017)
NNLearning rate: 0.001
No. of hidden Nodes: 314
0.711 (0.031)0.7271 (0.043)0.7188 (0.018)0.7229 (0.029)0.7616 (0.095)
LoROptimization Tolerance: 1e-06
L1 regularization weight: 1
Memory size for L-BFGS: 18
0.6741 (0.019)0.6805 (0.024)0.6161 (0.027)0.6467 (0.019)0.6874 (0.065)
SVMLambda – 0.0010.694 (0.017)0.673 (0.074)0.6027 (0.019)0.6359 (0.011)0.6619 (0.037)