Databricks ML Data Scientist Databricks-Machine-Learning-Associate Question # 10 Topic 2 Discussion

For the feature set schema provided, the columns that need to be imputed using the most common value (mode) are typically the categorical columns. In this case,loyalty_tieris the only categorical column that should be imputed using the most common value.customer_idis a unique identifier and should not be imputed, whilespendandunitsare numerical columns that should typically be imputed using the mean or median values, not the mode.

References:

Databricks documentation on missing value imputation: Handling Missing Data

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