CENTRALCOMPOSITEDESIGNS

Constructionfor K factors

-

-

Selecta resolutionVtwo-levelfractional factorial for K factors

Generate2 x K star points

aoo ........... -aoo ...........
oao ...........
o-ao ...........

.

.

.

o

o

o

o

a

oo

oo

o ...........

o ..........-a

wherea⁴= m and m = number of runs in the two-level fractional factorial.

*

Add one or more centerpoints, i.e.,

o

o

o

.

.

.

.

.

o