Unverified50% confidenceFactExact time
数据准备通常占整个机器学习项目70%以上的工作量
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
Training Machine Learning Models from Scratch: A Complete Beginner's Guide
redditr/learnmachinelearning7/11/2026
Related Claims
VerifiedIn actual machine learning projects, data preprocessing typically accounts for 60%–80% of the workload.83% similarUnverified80% of the success or failure of fine-tuning depends on data quality, and data preparation typically accounts for 60%–70% of the total project workload.73% similarUnverified微调过程中，数据清洗、格式标准化、指令-回答对的质量控制往往占据整个微调流程70%以上的工作量69% similarUnverifiedFor tasks such as CRUD development, API integration, and style adjustments—which account for more than 70% of daily work—the output quality gap between mid-range models and top-tier models is less than 10%.63% similarUnverified现实中80%的 ML 工作量花在数据处理而非模型训练上62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/490189API
curl https://kongchang.com/api/v1/knowledge/claims/490189MCP
get_claim(id=490189)