Recognises an aggregate hiding a total failure
https://knobit.org/id/knobit/Q-325
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| Context functions | Result evaluation |
|---|---|
| Knobit creation methods | AI generated, human edited |
| Knobit types | Skill |
| LCG purposes | Assessing the learner's knowledge or skill state |
| LCG purposes | Selecting an assessment task or learning activity |
| action verb | Recognises en |
| applies knowledge | Explains segmented data quality reporting |
| assessment criterion | Flags the deficient case and passes the acceptable one. Deficient: Completeness of `customer_segment_code` measured over twelve million rows; a new source sends none for a week, the rate falls from 99.1 % to 98.9 %, and nothing alerts Acceptable: Measured per load batch or per source (`population` or a grouping in the `set` query), or a second check scoped to the latest load en |
| assessment method | skill-tests task: Loan application data quality rules on Snowflake (DQ rule anomaly skills) en |
| conforms to profile | https://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1 |
| dcterms:identifier | Q-325 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Review checklist 03-dq-rules (data-quality), row 25; DAMA UK 2013; McGilvray 2021; formerly data-modelling K-725 en |
| expected result | The segment failing completely and the breakdown to report en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/07-dq-rules/25 |
| rdfs:label | Recognises an aggregate hiding a total failure en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data quality management (DAMA-DMBOK2) |
| skos:altLabel | Aggregate that hides a total failure (data quality rule) en |
| skos:definition | A pass rate over the whole table that hides a part of it failing completely: one source system, one load, one region, one new product. 98 % overall can be 0 % for everything loaded since Tuesday. en |
| skos:prefLabel | Recognises an aggregate hiding a total failure en |
| target object | whole-table pass rate en |
Used by
| includes knobit | Derives data quality rules from the data rules and the physical model |
|---|---|
| includes knobit | Develop and deploy data quality operations: manage data quality rules |
| requires knobit | Derive data quality rules |