Introduction | Density ratio estimation | Data | Estimating the density ratio | Visualization methods | Covariate shift | Performance under random sampling | Performance under covariate shift | Conclusion

Introduction | Features | Installation | Data | Estimating the density ratio | Input data | Hyperparameter selection | Specifying the inducing points in the kernel | Bandwidth and regularization parameter | Intermezzo: Bandwidth & regularization parameter | Scaling of the data | Computational efficiency | Other estimation functions | kmm() | kliep() | lhss() | spectral() | naive() | Summarizing the density ratio objects | Two-sample homogeneity testing | Visualizing the density ratio | Predicting the density ratio for new cases | Conclusion | References

Introduction | Two-sample testing with density ratios | Empirical example | References