numerous specialists and researchers perform one factor at a
time ( OFAT ) tests.
they will keep on doing as such they comprehend of structured
investigations more than one factor at any given moment tests.
factorial design :-
a planned examination is an increasingly powerful approach to
decide the effect of two of more factors on a reaction.
at that point a one factor at any given moment test, where one
factor is changed at just one time while different elements are
kept fixed. since it requires less assets for the measure of data
acquired.
this can be of real significance in industry, where trials can
be over the top expensive and tedious.