Subject
3 entries
Data Cleaning
Bookmarks
OpenRefine
OpenRefine is an open-source desktop tool for cleaning and transforming messy data — originally Google Refine, now community-maintained. Handles clustering, deduplication, format normalization, and reconciliation against external databases like Wikidata.
Data is Ugly: Tales of Data Cleaning
Ryan Orban's KDnuggets piece on data cleaning — arguing that teaching data scientists and engineers to understand each other's work is more important than any technical fix. The piece reframes data quality as an organizational problem, not just a technical one.
Data Cleaning: Problems and Current Approaches (Berkeley/UNECE)
Joe Hellerstein's Berkeley paper on data cleaning for UNECE — a systematic treatment of the data quality problem from a database research perspective. The academic foundation for what practitioners know as the most time-consuming part of data science work.