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principal component analysis

conversion of a set of observations of possibly correlated variables into a set of values of linearly uncorrelated variables called principal components
Thing statistical_method Q2873
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Summary

principal component analysis is a statistical method[1]. It ranks in the top 3% of statistical method entities by monthly Wikipedia readership (10,426 views/month).[2]

Key Facts

  • Subclass of: multivariate statistics[3]
  • Has use: dimensionality reduction[4]
  • Commons category: Principal component analysis[5]
  • Facet of: unsupervised learning[6]
  • Short name: ACP[7], PCA[8]
  • Different from: LFMM[9]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[10]
  • Maintained by WikiProject: WikiProject Mathematics[11]
  • P14541: 3FSzeu[12], lnWz[13], b1Hs8[14]

Why It Matters

principal component analysis has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[15] It is known by 36 alternative names across languages and contexts.[16]

Related Entities

Mandalay unsupervised learning

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] ↑ . Wikidata sitelinks. wikidata.org.
  3. [16] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). principal component analysis. Retrieved October 14, 2026, from https://4ort.xyz/entity/principal-component-analysis
MLA “principal component analysis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/principal-component-analysis.
BibTeX @misc{4ortxyz_principal-component-analysis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{principal component analysis}}, year = {2026}, url = {https://4ort.xyz/entity/principal-component-analysis}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): principal component analysis — https://4ort.xyz/entity/principal-component-analysis (retrieved 2026-10-14)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · عُثمان · 2026-09-10 view diff on Wikidata ↗
    Edam ontology id → operation_3960
    "/* wbsetclaim-create:1||1 */ Edam ontology id: operation_3960, Matched to [[:toollabs:mix-n-match/#/entry/289759003|Principal component analysis (#289759003)]] in [[:toollabs:mix-n-match/#/catalog/"
  2. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 3FSzeu, lnWz, b1Hs8
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  3. 20w ago · Twofivesixbot bot · 2026-05-23 view diff on Wikidata ↗
    Aliases → —
    Subclass of → —
    Subclass of → multivariate statistics
    Has use → dimensionality reduction
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ National library of israel j9u id: 987007536366205171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.