Fig 1.
Distribution of ratings for dating apps.
Fig 2.
Line chart of hyperparametric search for topic models with less topics and high α.
Fig 3.
Line chart of hyperparametric search for topic models with more topics and high α.
Fig 4.
Line chart of hyperparametric search for topic models with less topics and low α.
Fig 5.
Line chart of hyperparametric search for topic models with more topics and low α.
Table 1.
Analysis results of the LDA topic model.
Fig 6.
ROC curve for PCA and LightGBM.
Fig 7.
ROC curve for PCA and XGBoost.
Fig 8.
Confusion matrix curve for PCA and LightGBM.
Fig 9.
Confusion matrix for PCA and XGBoost.
Table 2.
Model accuracy before and after oversampling.