From: A metrics suite for JUnit test code: a multiple case study on open source software
 | CBO | Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | Cluster 5 |
---|---|---|---|---|---|---|
 | Nb. Obs. | 506 | 284 | 153 | 64 | 20 |
TLOC | Min | 6 | 9 | 12 | 18 | 16 |
Max | 1620 | 2379 | 2624 | 1353 | 4063 | |
Mean (μ) | 91.81 | 175.62 | 236.54 | 149 | 477.85 | |
Std. Dev (σ) | 144.91 | 298.76 | 421.83 | 206.07 | 854.09 | |
Coef. of var (C v  = σ/μ) | 1.578 | 1.701 | 1.783 | 1.383 | 1.787 | |
TASSERT | Min | 0 | 0 | 0 | 1 | 1 |
Max | 615 | 1058 | 1156 | 305 | 391 | |
Mean (μ) | 20.32 | 46.26 | 65.52 | 38.31 | 93.3 | |
Std. Dev (σ) | 42.41 | 116.36 | 161.77 | 58.25 | 101.53 | |
Coef. of var (C v  = σ/μ) | 2.087 | 2.515 | 2.469 | 1.52 | 1.088 | |
TDATA | Min | 0 | 0 | 0 | 0 | 0 |
Max | 482 | 393 | 482 | 223 | 758 | |
Mean (μ) | 12.84 | 25.68 | 33.76 | 22.05 | 70.35 | |
Std. Dev (σ) | 31.17 | 52.80 | 67.72 | 30.42 | 161.49 | |
Coef. of var (C v  = σ/μ) | 2.427 | 2.056 | 2.006 | 1.38 | 2.295 | |
TINVOK | Min | 0 | 0 | 3 | 1 | 6 |
Max | 175 | 401 | 399 | 190 | 516 | |
Mean (μ) | 25.22 | 38.76 | 54.06 | 35.69 | 84.05 | |
Std. Dev (σ) | 26.18 | 42.52 | 59.67 | 30.24 | 107.34 | |
Coef. of var (C v  = σ/μ) | 1.038 | 1.097 | 1.104 | 0.847 | 1.277 | |
TNOO | Min | 0 | 1 | 1 | 1 | 1 |
Max | 164 | 242 | 238 | 54 | 148 | |
Mean (μ) | 6.76 | 11.05 | 19.46 | 8.66 | 21.85 | |
Std. Dev (σ) | 13.15 | 22.79 | 37.89 | 10.39 | 33.04 | |
Coef. of var (C v  = σ/μ) | 1.941 | 2.063 | 1.947 | 1.2 | 1.512 |