rational subgrouprationality criterionrayleigh distributionrayleigh quotientrealizationrearrangement of the terms in a seriesreciprocal averagingreciprocal differencesreciprocal distributionreciprocal modelrecombinantrecombinationreconstructionrecord linkage and matching systemrecovery of interblock informationrectangular distributionrectangular frequency polygonrectangular gamerectified index numberrectilinearrectilinear trendrecurrence criterionrecurrence formularecurrent eventrecurrent markov chainrecurrent sequencerecurrent staterecursion formularecursive definitionrecursive functionrecursive partitioningreduced modelreducible chainreductionreduction of datareduction of respondent burdenredundancyredundancy analysisredundantreference setrefine modelrefinementreflecting statereflection principlerefusal rateregregenerative processregionregressionregression analysis
