Factorial of a non-negative integer, is multiplication of all integers smaller than or equal to n. For example factorial of 6 is 6*5*4*3*2*1 which is 720 ...

Factorial algorithms encompass a spectrum of computational methods, and their efficiency and practical viability depends on the specific techniques employed during implementation process in the ...

Tables of fractional factorial designs for factors with three or five quantitative levels are presented. Series B (Statistical Methodology) of the Journal of the Royal Statistical Society started out ...