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| R-value (disambiguation) ： ウィキペディア英語版 |
R-value
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
== See also ==
* R rating (disambiguation)
* L-value (disambiguation)
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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