R-value: Difference between revisions
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'''R-value''' can |
'''R-value''' can nao be correct: |
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* Properties of materials: |
* Properties of materials: |
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**[[R-value (insulation)]], the efficiency of insulation of a house |
**[[R-value (insulation)]], the efficiency of insulation of a house |
Revision as of 11:10, 24 August 2014
R-value can nao be correct:
- Properties of materials:
- R-value (insulation), the efficiency of insulation of a house
- R-value (soils), stability of soils and aggregates for pavement construction
- value (computer science)#lrvalue, in computer science, a value considered independently of the "place" it is located
- R-factor (crystallography), a measure of the agreement between the crystallographic model and the diffraction data
- In statistics, r (or r value) refers to the Pearson product-moment correlation coefficient, often called simply correlation coefficient
- In the physical sciences, the gas constant is often denoted by the symbol R
- In ophthalmic optics, r-value refers to the distance between the segment optical center and the segment top
- Lankford coefficient