[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-07-27 UTC。"],[[["This module emphasizes the critical role of data quality in machine learning projects, highlighting that it significantly impacts model performance more than algorithm choice."],["Machine learning practitioners typically dedicate a substantial portion of their project time (around 80%) to data preparation and transformation, including tasks like dataset construction and feature engineering."],["The module covers key concepts in data preparation, such as identifying data characteristics, handling unreliable data, understanding data labels, and splitting datasets for training and evaluation."],["Learners will gain insights into techniques for improving data quality, mitigating issues like overfitting, and interpreting loss curves to assess model performance."],["This module builds upon foundational machine learning concepts, assuming familiarity with topics like linear regression, numerical and categorical data handling, and basic machine learning principles."]]],[]]
