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Strength 2 designs:
Example Test Cases Embedded Functions
FV EF
Calendar 40 40 last_day
Constraint 1 5 5 fBrowser
Constraint 2 16 16 fP2
Constraint 3 37 fP4
Constraint 4 12 fP3
Body Mass Index 14 Medicare_report Child_report Adult_report
BMI
Shopping Cart 91 98 f_delChk_CQ f_delChk_U f_item
f_qty f_newQ_CQ f_newQ_U
f_i f_event_CHECK f_event_QTY
Variable strength designs without test factor constraints:
Example (t',k') Test Cases Embedded Functions
FV EF
VS (2,8) 8
VS (2,2) 16 pair
VS (3,3) 28 triple
VS (4,4) 24
VS (3,5) 26
VS (4,5) 29
VS (5,5) 48
VS (3,6) 30
VS (4,6) 36
VS (5,6) 64
VS (6,6) 96
Variable strength designs with test factor constraints:
Example (t',k') Test Cases Embedded Functions
EF (above)
SCA (2,18) 98
SCA (3,6) 329
SCA (4,6) 347
SCA (5,6) 1241
SCA (6,6) 656
SCB (2,18) 55
SCB (3,6) 164
SCB (4,6) 180
SCB (5,6) 457
SCB (6,6) 319
Notes:
FV results used manually selected blocks of fixed values.
EF results used blocks with functionally dependent factors described by embedded functions; the functions were evaluated, and the blocks converted to fixed values, automatically.
The Calendar, Constraint 1-4 and Shopping Cart examples used embedded functions to insure test factor values conformed to their constraints.
The Body Mass Index example used embedded functions to evaluate equivalence class factors; the equivalence class factors insured (1) the design would reach selected classes of results and (2) the classes would be paired with their nondeterminant factor values.
The variable strength examples, VS, SCA and SCB, used embedded functions to evaluate hybrid factors; hybrid factors combined the values of 2 or more test factors with each other. Designs with higher strength subarrays were generated using associations among the hybrid factors and test factors.
Examples with (t',k')=(2,k) are strength t=2 base cases for variable strength comparisons.
SCA (2,18) is the same as the strength 2 Shopping Cart example.
The SCA model has 5 allowed quantity values; SCB has 4. Otherwise the models are the same.
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