Concept
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- Preferred Labelskos:prefLabel
MD49
- URI
- https://standards.isotc211.org/19157/-3/1/dqc/content/measureDescription/MD49 ↗Go to the persistent identifier link
- Within Vocab
- ISO19157-3 quality measures
| Definitionskos:definition | Absolute horizontal accuracy of the data coordinates, expressed in terms of circular error at 90 % probability given that a bias is present. A manner of calculating the comparison of the data (source) and the control (reference). |
|---|---|
| has broaderbroader | 49 - absolute circular error at 90 % significance level of biased data Absolute horizontal accuracy of the data’s coordinates, expressed in terms of circular error at 90 % probability given that a bias is present. |
| has narrowernarrower | FT49_1 <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>∆</mi><msub><mi>H</mi><mi>i</mi></msub> <mo>=</mo> <mo>(</mo> <mrow> <mi>source</mi> <msub> <mi>X</mi> <mi>i</mi> </msub> <mo>-</mo> <mi>reference<… |
| FT49_2 <math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>μ</mi><mi>H</mi></msub><mo>=</mo><mfrac bevelled="true"><mrow><mo>(</mo><mo>∑</mo><mo mathvariant="italic">∆</mo><msub><mi>H</mi><mi>i</mi></… | |
| FT49_3 <math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>σ</mi><mi>H</mi></msub><mo>=</mo><msqrt><mfrac bevelled="true"><mrow><mo>∑</mo><msup><mo>(</mo><mrow><mo mathvariant="italic">∆</mo><msub><mi… | |
| FT49_4 <math xmlns="http://www.w3.org/1998/Math?MathML"><mi>ratio</mi ><mo>=</mo><mfrac bevelled="true"><msub><mo>|</mo><mi>μ</mi><mi>H</mi><mo>|</mo></msub><msub><mi>σ</mi><mi>H</mi></msub></mfrac></math> | |
| FT49_5 <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>k</mi><mo>=</mo><mn>1</mn><mo>,</mo><mn>2815</mn></math> | |
| FT49_6 <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>k</mi><mo>=</mo><mn>1</mn><mo>,</mo><mn>6435</mn><mo>-</mo><mo>(</mo><mrow><mn>0</mn><mo>,</mo><mn>999556</mn><mo>×</mo><mi>ratio</mi></mrow><mo>)<… | |
| FT49_7 <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>CE</mi><msub><mn>90</mn><mi>source</mi></msub><mo>=</mo><mo>|</mo><msub><mi>μ</mi><mi>H</mi></msub><mo>|</mo><mo>+</mo><mo>(</mo><mrow><mi>k</mi><m… | |
| FT49_8 <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>CE</mi><msub><mn>90</mn><mi>abs</mi></msub><mo>=</mo><msqrt><mi>CE</mi><msup><msub><mn>90</mn><mi>reference</mi></msub><mn>2</mn></msup><mo>+</mo><… | |
| https://standards.isotc211.org/19157/-3/1/dqc/content/formulaType/FT49 | |
| notationnotation | MD49 |
| Formulaformula | FT49_1 |
| FT49_2 | |
| FT49_3 | |
| FT49_4 | |
| FT49_5 | |
| FT49_6 | |
| FT49_7 | |
| FT49_8 |