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Feature Encodings for Gradient Boosting with Automunge
Nicholas J. Teague
Automunge is a tabular preprocessing library that encodes dataframes for supervised learning. When selecting a default feature encoding strategy for gradient boosted learning, one…
Parsed Categoric Encodings with Automunge
Nicholas J. Teague
The Automunge open source python library platform for tabular data pre-processing automates feature engineering data transformations of numerical encoding and missing data infill t…
Numeric Encoding Options with Automunge
Nicholas J. Teague
Mainstream practice in machine learning with tabular data may take for granted that any feature engineering beyond scaling for numeric sets is superfluous in context of deep neural…
Missing Data Infill with Automunge
Nicholas J. Teague
Missing data is a fundamental obstacle in the practice of data science. This paper surveys a few conventions for imputation as available in the Automunge open source python library…
Geometric Regularization from Overparameterization
Nicholas J. Teague
The volume of the distribution of weight sets associated with a loss value may be the source of implicit regularization from overparameterization due to the phenomenon of contracti…
Stochastic Perturbations of Tabular Features for Non-Deterministic Inference with Automunge
Nicholas J. Teague
Injecting gaussian noise into training features is well known to have regularization properties. This paper considers noise injections to numeric or categoric tabular features as p…