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. 2018 May 1;27(7):992–1007. doi: 10.1007/s10646-018-1940-6

Table 2.

Indicator values calculated for the quality of predictions for different validation data sets. Definition of the indicator values in Material and Methods, Section 2.2.3)

SD model IT model
Data set Species/compound LL MPE (%) NRMSE SPPE (%) LL MPE (%) NRMSE SPPE (%)
Multiple species (MS_V) predicted based on MS_C1 A. aquaticus, imidacloprid P1 −472.635 20% 16.7% 17% −533.308 7% 9.8% −17%
P2 3% 4.3% 0% 14% 20.2% −31%
P3 15% 18.5% −21% 25% 37.9% −45%
C.horaria, imidacloprid P1 −852.624 n.d. 74.2% 21% −598.646 22% 22.7% −7%
P2 n.d. 69.1% 39% 43% 29.3% 11%
P3 504% 63.6% 39% 30% 20.6% 15%
C.obscuripes, imidacloprid P1 −430.397 n.d. 42.9% 0% −891.046 71% 239.8% −76%
P2 n.d. 85.5% 0% 75% 258.2% −75%
P3 49% 49.4% −4% 65% 177.2% −75%
C.dipterum, imidacloprid P1 −289.423 n.d. 30.1% 0% −917.499 75% 136.8% −27%
P2 n.d. 42.3% 0% 72% 215.1% −60%
P3 n.d. 42.1% 0% 72% 217.7% −61%
P.minutissima, imidacloprid P1 −663.204 11% 13.6% −21% −695.424 16% 20.6% −29%
P2 14% 17.7% −28% 17% 25.8% −39%
P3 16% 27.5% −53% 17% 31.8% −60%
Multiple compounds (MC_V) predicted based on MC_C1 (acute) C.dipterum, imidacloprid P1 −28.818 19% 22.3% −23% −29.811 29% 42.5% −40%
P2 17% 19.0% −20% 24% 35.8% −40%
C.dipterum, thiacloprid P1 −40.701 59% 127.5% −60% −41.103 59% 141.2% −67%
P2 31% 44.1% −30% 33% 52.0% −37%
C.dipterum, thiametoxam P1 −26.990 48% 77.0% −53% −29.441 52% 114.5% −77%
P2 52% 99.4% −60% 54% 125.4% −77%
Multiple compounds (MC_V) predicted based on MC_C2 (chronic) C.dipterum, imidacloprid P1 −170.030 n.d. 72.7% 27% −174.501 n.d. 78.1% 27%
P2 n.d. 76.2% 30% n.d. 76.7% 30%
C.dipterum, thiacloprid P1 −167.871 n.d. 54.2% 0% −182.411 143% 77.8% −3%
P2 n.d. 65.1% 33% 470% 63.5% 30%
C.dipterum, thiametoxam P1 −171.581 n.d. 46.4% 0% −186.249 85% 54.7% −13%
P2 n.d. 37.0% 0% 45% 51.5% −13%

The bold values are larger than a suggested cut-off value of 50%

n.d. not determined because modelled survival fell to zero