Table 4.
Probability of epidemics (Pe), final size of epidemics (FSE) and total number of fumigations (TNF) for different fumigation efficiencies and 7-day interval
Distribution | Pe | ΔPe | Mean FSE | σFSE | Mean TNF | σTNF |
---|---|---|---|---|---|---|
Levy 2 | ||||||
0% | 0·77 | 0·03 | 2145 | 1230 | ||
10% | 0·77 | 0·03 | 1253 | 720 | 551 | 280 |
30% | 0·70 | 0·03 | 499 | 312 | 269 | 155 |
50% | 0·60 | 0·04 | 199 | 136 | 122 | 79 |
90% | 0·37 | 0·04 | 43 | 36 | 29 | 23 |
Uniform | ||||||
0% | 0·80 | 0·03 | 3080 | 2121 | ||
10% | 0·76 | 0·03 | 1912 | 1308 | 1114 | 725 |
30% | 0·66 | 0·04 | 652 | 465 | 416 | 289 |
50% | 0·62 | 0·04 | 281 | 226 | 187 | 147 |
90% | 0·40 | 0·04 | 52 | 50 | 36 | 34 |
ΔPe is the error of Pe, whereas σFSE is the sample standard deviation of FSE and σTNF is the sample standard deviation of TNF.