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What are effective methods for handling null values in numeric features?
A
Drop any records containing nulls to simplify the dataset.
B
Replace null values with the mode of the feature.
C
Use imputation techniques such as Alternating Least Squares (ALS) to estimate missing values.
D
Introduce a special category to represent null values.
E
Replace null values with the mean or median of the existing data.
F
Impute missing values with random samples from the existing data.
