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Table 2 Hyper-parameters tuning options available in QSAR-Co-X toolkit

From: QSAR-Co-X: an open source toolkit for multitarget QSAR modelling

Technique

Parameters tuninga

RF

Bootstrap: True/ Falseb

Criterion: Gini, Entropy,

Maximum depth: 10, 30, 50, 70, 90, 100, 200, None

Maximum features: Auto, Sqrt

Minimum samples leaf: 1, 2, 4

Minimum samples split: 2, 5, 10

Number of estimators: 50, 100, 200,500

kNN

Number of neighbours: 1–50

Weight options: Uniform, Distance

Algorithms: Auto, Ball tree, kd_tree, brute

Bernoulli NB

Alpha:1, 0.5, 0.1

Fit_prior: True, False

SVC

C: 0.1, 1, 10, 100, 1000

Gamma: 1, 0.1, 0.01, 0.001

Kernel: RBF, Linear, Poly, Sigmoid

MLP

Hidden layer sizes: To be specified by the user

Activation: Identity, Logistic, Tanh, Relu

Solver: SGD, Adam

Alpha: 0.0001, 0.001, 0.01, 1

Learning rate: Constant, Adaptive, Invscaling

GB

Loss: deviance, exponential

Learning rate: 0.01, 0.05, 0.1, 0.2

Min samples split: 0.1,0.2,0.3,0.4,0.5

Minimum samples leaf: 0.1,0.2,0.3,0.4,0.5

Maximum depth: 3,5,8

Maximum features: Log2, Sqrt

Criterion: Friedman MSE, MAE

Subsample: 0.5, 0.6, 0.8

Number of estimators: 50,100,200,300

  1. aFor further details on these parameters, check the manual associated with the toolkit in https://github.com/ncordeirfcup/QSAR-Co-X
  2. bThis option is automatically selected