Detail kurzu

Tree-Based Machine Learning Methods in SAS(R) Viya(R)

EDU Trainings s.r.o.

Popis kurzu

Decision trees and tree-based ensembles are supervised learning models used for problems involving classification and regression. This course covers everything from using a single tree to more advanced bagging and boosting ensemble methods in SAS Viya. The course includes discussions of tree-structured predictive models and the methodology for growing, pruning, and assessing decision trees, forest and gradient boosting models. The course also explains isolation forest (an unsupervised learning algorithm for anomaly detection), deep forest (an alternative for neural network deep learning), and Poisson and Tweedy gradient boosted regression trees. In addition, many of the auxiliary uses of trees, such as exploratory data analysis, dimension reduction, and missing value imputation, are examined, and running open source in SAS and running SAS in open source are demonstrated.The self-study e-learning includes:Annotatable course notes in PDF format. Virtual lab time to practice.

Obsah kurzu

Introduction to Decision TreesTree-structured models.Recursive partitioning.Growing a Decision TreeSplit search.Splitting criteria.Missing values and variable importance.Preventing Overfitting in Decision TreesPruning.Subtree methods.Assessing decision trees.Ensembles of Trees: Bagging, Boosting, and ForestEnsembling.Bagging.Forest models.Tree splitting in forests.Hyperparameter tuning.Model interpretability.Tree-Based Gradient Boosting MachinesBoosting.Gradient boosting.Tree splitting in gradient boosting.Early stopping.Hyperparameter tuning.Model interpretability.A Practice Case StudyData exploration.Class levels consolidation.Variable selection/dimension reduction.Imputation.Prediction profiling.

Cieľová skupina

Predictive modelers and data analysts who want to build decision trees and ensembles of decision trees using SAS Visual Data Mining and Machine Learning in SAS Viya
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