Imputer.
__init__
Initalizes an transformer that imputes missing data according to the specified imputation strategy.”
categorical_impute_strategy (string) – Impute strategy to use for string, object, boolean, categorical dtypes. Valid values include “most_frequent” and “constant”.
numeric_impute_strategy (string) – Impute strategy to use for numeric dtypes. Valid values include “mean”, “median”, “most_frequent”, and “constant”.
fill_value (string) – When impute_strategy == “constant”, fill_value is used to replace missing data. Defaults to 0 when imputing data and “missing_value” for strings or object data types.