Orthogonal arrays with variable numbers of symbols are shown to be universally optimal as fractional factorial designs. The orthogonality of completely regular Youden hyperrectangles ...
Language, Vol. 90, No. 2 (JUNE 2014), pp. 457-481 (25 pages) Are statistical methods useful in distinguishing written language from nonlinguistic symbol systems? Some recent articles (Rao et al. 2009a ...