R-value: Difference between revisions

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R-value or rvalue may refer to:

In computer science, a value considered independently of its storage location
R-value (insulation) in building engineering, the efficiency of insulation of a house
R-value (soils) in geotechnical engineering, the stability of soils and aggregates for pavement construction
R-factor (crystallography), a measure of the agreement between the crystallographic model and the diffraction data
In statistics, the Pearson product-moment correlation coefficient, or simply correlation coefficient
In solid mechanics, the Lankford coefficient

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+{{wiktionary|r-value|rvalue}}
 '''R-value''' or '''rvalue''' may refer to:
 * In computer science, a [[value (computer science)#lrvalue|value]] considered independently of its storage location
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 * [[R-factor (crystallography)]], a measure of the agreement between the crystallographic model and the diffraction data
 * In statistics, the [[Pearson product-moment correlation coefficient]], or simply ''correlation coefficient''
-* In ophthalmic optics, the distance between the segment optical center and the segment top
 * In solid mechanics, the [[Lankford coefficient]]
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 * [[L-value (disambiguation)]]
-{{Disambig}}
+{{disambiguation}}