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 ophthalmic optics, the distance between the segment optical center and the segment top
In solid mechanics, the Lankford coefficient

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-'''R-value''' can refer to:
+'''R-value''' or '''rvalue''' may refer to:
+* In computer science, a [[value (computer science)#lrvalue|value]] considered independently of its storage location
-* Properties of materials:
-**[[R-value (insulation)]], the efficiency of insulation of a house
+* [[R-value (insulation)]] in building engineering, the efficiency of insulation of a house
-**[[R-value (soils)]], stability of soils and aggregates for pavement construction
+* [[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
-* [[value (computer science)#lrvalue]], in computer science, a value considered independently of the "place" it is located
+* In statistics, the [[Pearson product-moment correlation coefficient]], or simply ''correlation coefficient''
-*[[R-factor (crystallography)]], a measure of the agreement between the crystallographic model and the diffraction data
+* In ophthalmic optics, the distance between the segment optical center and the segment top
-*In statistics, ''r'' (or r value) refers to the [[Pearson product-moment correlation coefficient]], often called simply ''correlation coefficient''
+* In solid mechanics, the [[Lankford 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]]
 == See also ==
 * [[R rating (disambiguation)]]
-* [[L-value (disambiguation)]]
+* [[L-value]]
-{{disambig}}
+{{Disambig}}