Explains additivity of facts
https://knobit.org/id/knobit/W-252
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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 fact additivity 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 | W-252 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Practice the stage 2 reference and review checklist rest on en |
| depends on knobit | Explains a pooled rate as the weighted mean of its population rates |
| expected result | Additive, semi-additive (balances, not across time) and non-additive (ratios, recomputed from parts) facts (Kimball and Ross 2013). en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/dw-bi/02-metric-definitions/W-252 |
| rdfs:label | Explains additivity of facts en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data warehousing and business intelligence (DAMA-DMBOK2) |
| skos:definition | Additive, semi-additive (balances, not across time) and non-additive (ratios, recomputed from parts) facts (Kimball and Ross 2013). en |
| skos:prefLabel | Explains additivity of facts en |
| target object | fact additivity en |
Used by
| applies knowledge | Recognises a semi-additive balance summed over time |
|---|---|
| applies knowledge | Recognises a ratio averaged across segments |
| applies knowledge | Reconciles two values of one KPI into quantified effects |
| applies knowledge | Recomputes a ratio from summed numerators and denominators |
| includes knobit | Defines each KPI once, precisely enough to compute, and explains two values of it in numbers |
| includes knobit | Semantic layer and metric definitions |
| requires knobit | Define metrics and KPIs |