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A Daily Lexicon of Trustworthy Data

006·316

training data

/ˈtreɪnɪŋ ˈdeɪtə/ - n.

1 [colloq.] Whatever was easiest to export, now load-bearing.Keep. Punchy.This is the problem.

Working definition

2. The labeled or observed examples a model learns from, whose coverage and quality bound everything the model can do.

Promoted

Seen in the wild · 3

OMB put AI governance on the calendar. The data definition still needs a chair.Owner Missing
ISO gave AI a management system. It did not define your training data.Business Sense Required
Article 10 Quietly Bills You for the Data Catalog Nobody FundedProcess Debt

See also

data for aiStruck: it claims the warehouse already holds the profiling, ownership, rights clearance, and fitness-for-use no one has done.
data labelingThe step where the team discovers it never agreed on the categories.
ground truthOne analyst's spreadsheet, promoted to truth because no one else volunteered.
synthetic dataInvented to fill a gap, and shaped exactly like the assumption that left it.