fractional_factorial Subroutine

public subroutine fractional_factorial(nfactors, fraction, tbl)

Generates a 2-level fractional factorial design.

Uses standard defining relations for common fractions.

Arguments

Type	Intent	Optional	Attributes		Name
integer(kind=int32),	intent(in)			::	nfactors	Number of factors.
integer(kind=int32),	intent(in)			::	fraction	Fraction level (1 for 1/2, 2 for 1/4, etc.).
integer(kind=int32),	intent(out)			::	tbl(:,:)	Design table (runs × factors), coded as 1 and 2.