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Table 6 The proposed ENOR, RF, and SVM models range of the hyper parameters and the optimum value of them

From: Machine learning approach for the detection of vitamin D level: a comparative study

Models

Hyper-parameters

Value range

Optimum values

OLR

-

-

-

ENOR

\(\alpha\)

[0, 1]

0.1000

\(\lambda\)

\({lambdaminratio=\lambda }_{min}/{ \lambda }_{max}\)

lambdaminratio = 0.01

0.0325

SVM

\(C\)

100, 101, 102, …,105

102

\(Gamma\)

100, 10–1, 10–2, …, 10–7

10–7

\(kernel\)

Linear, Radial Basis Function (RBF), Polynomial

RBF

RF

\(q\)

[1, 4]

4

\(N\)

[10,500]

300