Research Article
Detecting the Risk of Customer Churn in Telecom Sector: A Comparative Study
Table 1
Configuration space for the hyperparameters of tested ML models.
| ML model | Hyperparameter | Type | Search space |
| RF classifier | n-estimator | Discrete | [10, 100] | max-depth | Discrete | [5, 50] | min_samples_split | Discrete | [2, 11] | min_samples_leaf | Discrete | [1, 11] | criterion | Categorical | [“gini,” “entropy”] | max_features | Discrete | [1, 20] | C | Continuous | [0.1, 50] |
| SVM classifier | kernel | Categorical | [“linear,” “poly,” “rbf,” “sigmoid”] |
| KNN classifier | n_neighbors | Discrete | [1, 20] |
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