Statistical Design of Experiments
Statistical Design of Experiments
Shorter, less costly, good
Shorter, less costly, good
way to screen for
way to screen for “Most
“Most
Significant”
Significant”
factors
factors
1
1
2
2
3
3
4
4
Fractional Factorial DOE
Fractional Factorial DOE
A two level 1/2 fractional
A two level 1/2 fractional
factorial has been created
factorial has been created
from the full 2³
from the full 2³
3
factorial in
factorial in
the previous example
the previous example
Smaller number of
Smaller number of
treatment combinations
treatment combinations
required
required
Ability to evaluate more
Ability to evaluate more
factors with less testing
factors with less testing
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