Indicators and Metrics

Formula

1˚ IT

1˚ RT

2˚ RT

3˚ RT

Testing Coverage Percent Use Case (PUC)―Indicator

(qty.) UC/total of UC

6/8 = 0.75

[75%]

8/8 = 1

[100%]

8/8 = 1

[100%]

8/8 = 1

[100%]

Defects Found by Software Test (DFST)―measure of efficacy

TCFD/total of TC

91/170 = 0.53

[53%]

66/235 = 0.28

[28%]

57/238 = 0.24

[24%]

60/256 = 0.23

[23%]

Defects Found by week (DEW)―indicator

TCFD/total of weeks

91/6 = 15.2

66/4 = 16.5

57/4 = 14.25

60/3 = 20

Effectiveness Defect Detection (EDD)―indicator

TCFD (n − 1) RT

/TCFD (n) RT

N/A

91/66 = 1.38

66/57 = 1.16

57/60 = 0.95

Effectiveness of Removal of Defects (ERD)―indicator

Remove TC defects

No. RT/TCFD

N/A

4/66 = 0.06

[6%]

24/57 = 0.42

[42%]

29/60 = 0.48

[48%]

Percentage of Test Coverage (PTC)―metric efficiency

(qty.) TC exercised/

total of TC

95/170 = 0.56

[56%]

194/235 = 0.83

[83%]

199/238 = 0.84

[84%]

215/256 = 0.84

[84%]

Density Efficiency Software Test (DEST)―indicator efficacy

TCFD/(qty.) TC exercised

91/95 = 0.95

[95%]

66/194 = 0.34

[34%]

57/199 = 0.29

[29%]

60/215 = 0.28

[28%]