data loss; missing data; data unavailability
Technical computing term for situations where data is missing, unavailable, or insufficient, often due to corruption, incomplete collection, or transmission errors.
The analysis was suspended because data loss occurred.
This survey has low reliability due to a lot of missing data.
Compound of データ (data, from English) and 欠損 (deficiency, defect). The exact origin is uncertain, but it likely arose in technical computing contexts.