Concept
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- Preferred Labelskos:prefLabel
MD32_1
- URI
- https://standards.isotc211.org/19157/-3/1/dqc/content/measureDescription/MD32_1 ↗Go to the persistent identifier link
- Within Vocab
- ISO19157-3 quality measures
| Definitionskos:definition | The covariance matrix generalizes the concept of variance from one to n dimensions, i.e. from scalar-valued random variables to vector-valued random variables (tuples of scalar random variables). |
|---|---|
| has broaderbroader | 32 - covariance matrix Symmetrical square matrix with variances of point discrepancies on the main diagonal and covariance between these discrepancies as off-diagonal elements. |
| MD32 | |
| has narrowernarrower | https://standards.isotc211.org/19157/-3/1/dqc/content/formulaType/FT32 |
| FT32_1 <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x</mi><mo>=</mo><mo>[</mo><mtable><mtr><mtd><msub><mi>x</mi><mn>1</mn></msub></mtd></mtr><mtr><mtd><mo>⋮</mo></mtd></mtr><mtr><mtd><msub><mi… | |
| FT32_2 <math xmlns="http://www.w3.org/1998/Math/MathML"><mstyle displaystyle="false"> <munder> <mo>∑</mo> <mrow> <mi>x</mi> <mi>x</mi> </mrow> </munder> </mstyle> <mo>=</mo> <mo>[</mo> <mtable> <mtr> <mtd> <… | |
| FT32_3 <math xmlns="http://www.w3.org/1998/Math/MathML"><msub> <mi>σ</mi> <msub> <mi>x</mi> <mn>1</mn> </msub> </msub> <mo>=</mo> <msqrt> <msubsup> <mi>σ</mi> <msub> <mi>x</mi> <mn>1</mn> </msub> <mn>2</mn> … | |
| FT32_4 <math xmlns="http://www.w3.org/1998/Math/MathML"><msub> <mi>ρ</mi> <mrow> <msub> <mi>x</mi> <mi>i</mi> </msub> <msub> <mi>x</mi> <mi>j</mi> </msub> </mrow> </msub> <mo>=</mo> <mfrac> <msub> <mi>σ</mi>… | |
| notationnotation | MD32 |
| Formulaformula | FT32_1 |
| FT32_2 | |
| FT32_3 | |
| FT32_4 | |
| Sequencesequence | 1 |