Chapter 3
Modeling Utilities
Exploring Data for Outliers, Missing Values, and Strong Predictors
Modeling Utilities is a collection of utilities that are designed to assist in the data cleaning and pre-processing stages of data analysis. Each utility has powerful exploratory tools to give you a more thorough understanding of your data. With Modeling Utilities, you can do the following:
• Explore outliers in both the univariate and multivariate cases.
• Explore and impute missing values in your data.
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Create a validation column with divide the data into training, validation, and test sets.
• Screen high-dimensional data for strong predictors.