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Earth, Planets and Space

Table 3 Hyperparameter tuning: the highest accuracy results of each kernel trick on SVM model

From: Automatic classification of spread‐F types in ionogram images using support vector machine and convolutional neural network

Kernel trick

C parameter*

Gamma value**

Accuracy (%)

Linear

1

Scale

86.1

Polynomial

0.1

Auto

86.2

RBF

0.01

Scale

64.1

  1. *C parameter = [0.01, 0.1, 1, 10]
  2. **Gamma value = [auto, scale]
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