Explains data profiling methods
https://knobit.org/id/knobit/Q-452
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| Context functions | Object understanding |
|---|---|
| Knobit creation methods | AI generated |
| Knobit types | Knowledge |
| LCG purposes | Assessing the learner's knowledge or skill state |
| LCG purposes | Opening up a learning outcome |
| action verb | Explains en |
| assessment criterion | Answers a written question on the data profiling correctly en |
| assessment method | Written question en |
| conforms to profile | https://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1 |
| dcterms:identifier | Q-452 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Practice the stage 4 reference and review checklist rest on en |
| expected result | Column profiling (null counts, distinct values, frequency and top values, minimum and maximum, patterns), cross-column and cross-table analysis, over the full population or a sample stratified so that every population is in its frame; a value with a share far above its neighbours is often a placeholder for missing (DMBOK2 ch. 13, 1.3.9 and 2.4). en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-quality/04-profiling-assessment/Q-452 |
| rdfs:label | Explains data profiling methods en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data quality management (DAMA-DMBOK2) |
| skos:definition | Column profiling (null counts, distinct values, frequency and top values, minimum and maximum, patterns), cross-column and cross-table analysis, over the full population or a sample stratified so that every population is in its frame; a value with a share far above its neighbours is often a placeholder for missing (DMBOK2 ch. 13, 1.3.9 and 2.4). en |
| skos:prefLabel | Explains data profiling methods en |
| target object | data profiling en |
Used by
| applies knowledge | Recognises a profiling sample excluding the problem population |
|---|---|
| applies knowledge | Recognises a placeholder value counted as present |
| includes knobit | Profiles and assesses critical data elements over stated populations |
| includes knobit | Data profiling |
| includes knobit | Perform an initial data quality assessment |
| requires knobit | Profile and assess data quality |