Estimation Results       Rel err                                          exact measurements Θ1 0.501 ± 0.054 8.8% Θ2 0.0026 ±3·10-4 11.1% Θ2 0.312 ± 0.048 13.4%                                            noise: σ=10 Θ1 0.478 ± 0.050 9.3% Θ2 0.0026 ±3·10-4 10.6% Θ2 0.318 ± 0.045 13.4%                                            noise: σ=25 Θ1 0.430 ± 0.070 16.6% Θ2 0.0028 ±3·10-4 16.8% Θ2 0.336 ± 0.048 16.5%

Table 3: Statistics of the estimation results for partially observed Lotka-Volterra model: prey Settings as in Table 2, but only prey can be observed.