feat: Outlier - Impute and capping

[jitingxu1]

Definition

impute or cap/floor the outliers of numeric features by percentile or a user-defined threshold.

Examples:

Apply caps and floors to each column; if a value is greater than or equal to the 99th percentile, replace it with the value at the 99th percentile, and if it is less than or equal to the 1st percentile, replace it with the value at the 1st percentile.

Reference

• Recipes step_impute_lower()