[[["התוכן קל להבנה","easyToUnderstand","thumb-up"],["התוכן עזר לי לפתור בעיה","solvedMyProblem","thumb-up"],["סיבה אחרת","otherUp","thumb-up"]],[["חסרים לי מידע או פרטים","missingTheInformationINeed","thumb-down"],["התוכן מורכב מדי או עם יותר מדי שלבים","tooComplicatedTooManySteps","thumb-down"],["התוכן לא עדכני","outOfDate","thumb-down"],["בעיה בתרגום","translationIssue","thumb-down"],["בעיה בדוגמאות/בקוד","samplesCodeIssue","thumb-down"],["סיבה אחרת","otherDown","thumb-down"]],["עדכון אחרון: 2025-07-27 (שעון 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."]]],[]]
