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AdaBoost is an iterative algorithm to construct classifier ensembles. It quickly achieves high accuracy by focusing on objects that are difficult to classify. Because of this, AdaBoost tends to overfit when subjected to noisy datasets. We observe that this can be partially prevented with the use of validation sets, taken from the same noisy training set. But using less than the full dataset for training...
Random forest is an excellent ensemble learning method, which is composed of multiple decision trees grown on random input samples and splitting nodes on a random subset of features. Due to its good classification and generalization ability, random forest has achieved success in various domains. However, random forest will generate many noisy trees when it learns from the data set that has high dimension...
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