R-value: Difference between revisions

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'''R-value''' can refer to:
* Properties of materials:
**[[R-value (insulation)]], the efficiency of insulation
**[[R-value (soils)]], stability of soils and aggregates for pavement construction


*'''r-value''', usually uncapitalized, is also term used in [[computer science]]. See [[value (computer science)]].
*'''r-value''', usually uncapitalized, is also term used in [[computer science]]. See [[value (computer science)]].


*In crystallography, the [[R-factor (crystallography)|R-factor]] (also known as '''R-value'''), is a measure of the agreement between the crystallographic model and the diffraction data.
*In crystallography, [[R-factor (crystallography)|R-factor]] (also known as '''R-value''')

*In statistics, '''''r''''' refers to the [[Pearson product-moment correlation coefficient]], often called simply ''correlation coefficient''.

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Revision as of 15:31, 15 January 2008


  • In crystallography, R-factor (also known as R-value)