Extreme Gradient Boosting and Preprocessing in Machine Learning

In last week’s post I explored whether machine learning models can be applied to predict flu deaths from the 2013 outbreak of influenza A H7N9 in China. There, I compared random forests, elastic-net regularized generalized linear models, k-nearest neighbors, penalized discriminant analysis, stabilized linear discriminant analysis, nearest shrunken centroids, single C5.0 tree and partial least squares. Extreme gradient boosting (XGBoost) is a faster and improved implementation of gradient boosting for supervised learning and has recently been very successfully applied in Kaggle competitions. Because I’ve heard XGBoost’s praise being sung everywhere lately, I wanted to get my feet wet with it too. So this week I want to compare the prediction success of gradient boosting with the same dataset. Additionally, I want to test the influence of different preprocessing methods on…


Link to Full Article: Extreme Gradient Boosting and Preprocessing in Machine Learning

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