As a Data Scientist at a leading retail company, you are tasked with improving the accuracy of your predictive models. Initially, you prefer using simple and interpretable algorithms for transparency and ease of explanation to stakeholders. However, when these models do not meet the required performance thresholds, you explore more sophisticated techniques. Your manager recommends ensemble methods to enhance model performance. Given the importance of scalability, interpretability, and performance in your retail environment, which of the following algorithms are considered ensemble methods? (Select 3 options)