
Software Reliability ◾ 515
70 100 130 160 190 220 250
280
i
Median time to failure (s)
1000
2000
LNHP
LV
KL
DU
FIGURE 11.18 Medians of recalibrated predictions from eight models, using
data of Table 11.6; note how these are now in close agreement compared with the
great disagreement shown in the raw predictions of Figure 11.15.
0
1
LV*
KL*
LNHPP*
(LM, MO, DU
JM, GO similar)
1
u
i
values
FIGURE 11.17 u-Plots for eight models using data of Table 11.6 aer recalibra-
tion. Note the improvement over raw u-plots of Figure 11.15.