Table 1.
Estimates of zero-inflated negative binomial regression model for Mopani district municipality.
| Count Model Coefficients (Negbin with Log Link): | |||||
|---|---|---|---|---|---|
| Estimate | Std. Error | z Value | Pr (>|z|) | Confidence Interval | |
| Intercept | 3.169 | 0.1849 | 17.136 | <2 × 10−16 *** | (2.8066, 3.5314) |
| Daily average temperature at lag 18 | −0.0261 | 0.0085 | −3.074 | 0.0021 ** | (−0.0428, −0.0094) |
| Log(theta) | −0.8459 | 0.0254 | −33.296 | <2 × 10−16 *** | (−0.8957, −0.7961) |
| Zero-Inflation Model Coefficients (Binomial with Logit Link): | |||||
| Estimate | Std. Error | z value | Pr (>|z|) | Confidence Interval | |
| Intercept | 11.2884 | 0.7138 | 15.814 | <2 × 10−16 *** | (9.8894, 12.6874) |
| Daily rain amount at lag 9 | −0.0614 | 0.0297 | −2.072 | 0.0383 * | (−0.1196, −0.0032) |
| Daily rain amount at lag 16 | −0.0688 | 0.0325 | −2.118 | 0.0342 * | (−0.1325, −0.0051) |
| Daily average temperature at lag 9 | −0.1648 | 0.0428 | −3.852 | 0.000117 *** | (−0.2487, −0.0809) |
| Daily average temperature at lag 10 | −0.1197 | 0.0464 | −2.578 | 0.0099 ** | (−0.2106, −0.0288) |
| Daily average temperature at lag 12 | −0.1430 | 0.0328 | −4.356 | 1.32 × 10−5 *** | (−0.2073, −0.0787) |
| Daily average temperature at lag 15 | −0.0788 | 0.0301 | −2.623 | 0.0087 ** | (−0.1378, −0.0198) |
| Daily average temperature at lag 18 | −0.1359 | 0.033 | −4.124 | 3.73 × 10−5 *** | (−0.2006, −0.0712) |
| Simulated daily mosquito population at lag 9 | −0.056 | 0.0091 | −6.188 | 6.10 × 10−10 *** | (−0.0738, −0.0382) |
| Simulated daily mosquito population at lag 10 | 0.0359 | 0.0067 | 5.385 | 7.26 × 10−8 *** | (0.0228, 0.0490) |
| Simulated daily mosquito population at lag 20 | 0.0193 | 0.0048 | 4.032 | 5.53 × 10−5 *** | (0.0099, 0.0287) |
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1; Theta 0.4292; Number of iterations in BFGS optimization: 1; Log-likelihood: −1.575 × 104 on 23 Df.