Comment on Saha, S., Saha, A., Roy, B. et al. (2022a) Integrating the particle swarm optimization (PSO) with machine learning methods for improving the accuracy of the landslide susceptibility model. Earth Sci Inform 15, 2637-2662. https://doi.org/10.1007/s12145-022-00878-5 and Saha, S., Saha, A., Roy, B. et al. (2022b) correction to: Integrating the particle swarm optimization (PSO) with machine learning methods for improving the accuracy of the landslide susceptibility model. Earth Sci Inform 15, 2663-2664 https://doi.org/10.1007/s12145-022-00892-7