Databricks Certified Machine Learning - Associate
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In a machine learning project, you have a dataset with multiple features and labels. Explain the concept of feature annotation in a feature store and provide a step-by-step process to annotate features with metadata in Databricks, including the necessary code snippets.
A
Feature annotation in a feature store is the process of associating metadata with features to provide additional information and context about their usage, quality, and performance.
B
To annotate features with metadata in Databricks, first, create a feature store table with the dataset. Then, define the metadata attributes such as feature name, description, data type, and source. Finally, use the feature store API to associate the metadata attributes with the corresponding features in the feature store table.
C
Feature annotation in a feature store is not possible as it requires manual feature engineering and documentation.
D
To annotate features with metadata in Databricks, manually add comments or descriptions to the feature store table schema and use them as metadata for the features.