intrinsic rank testinvarianceinvariance concepts in statisticsinvariance of anharmonic ratioinvariance of cross ratioinvariance theoreminvariantinvariant delta functioninvariant distributioninvariant estimatorinvariant measureinvariant metricinvariant prior distributioninvariant propertyinvariant statisticsinvariant subgroupinventoryinventory control theoryinventory theoryinverseinverse distributioninverse functioninverse gaussian distributioninverse hypergeometric distributioninverse matrixinverse probabilityinverse rankinverse regressioninverse samplinginverse sine transformationinverse tanh transformationinversion formulainvertedinverted beta distributioninverted dirichlet distributioninverted gamma distributioninverted wishart distributioninvertibilityirreducibleirreducible markov chainirreducible symmetric hermitian spaceirrelevantirreversible processising modelisochronisokurtic arraysisometryisotonicisotonic inferenceisotonic regression