[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["이해하기 어려움","hardToUnderstand","thumb-down"],["잘못된 정보 또는 샘플 코드","incorrectInformationOrSampleCode","thumb-down"],["필요한 정보/샘플이 없음","missingTheInformationSamplesINeed","thumb-down"],["번역 문제","translationIssue","thumb-down"],["기타","otherDown","thumb-down"]],["최종 업데이트: 2025-01-07(UTC)"],[[["Feature preprocessing, encompassing both feature creation (engineering) and data cleaning, is a crucial step in the machine learning process."],["BigQuery ML offers automatic preprocessing during training, simplifying the process for users."],["Manual preprocessing is also available in BigQuery ML, allowing for custom preprocessing definitions using the `TRANSFORM` clause and specific functions."],["The `ML.FEATURE_INFO` function enables users to retrieve statistics about the input feature columns."],["Basic knowledge of the ML development lifecycle, including feature engineering and model training, is recommended for better optimization of data and models."]]],[]]