ZeroInflatedNegativeBinomialP Regression Results ========================================================================================= Dep. Variable: Ragweed pollen No. Observations: 814 Model: ZeroInflatedNegativeBinomialP Df Residuals: 808 Method: MLE Df Model: 5 Date: Wed, 18 Mar 2026 Pseudo R-squ.: 0.3817 Time: 08:50:03 Log-Likelihood: -568.45 converged: True LL-Null: -919.43 Covariance Type: nonrobust LLR p-value: 1.855e-149 ========================================================================================= coef std err z P>|z| [0.025 0.975] ----------------------------------------------------------------------------------------- inflate_const -2.0252 0.803 -2.521 0.012 -3.600 -0.450 inflate_Temperature_z -1.0597 0.866 -1.223 0.221 -2.758 0.638 inflate_Lag1_z -1.1165 1.395 -0.800 0.424 -3.851 1.618 const -9.1294 1.245 -7.330 0.000 -11.570 -6.688 Temperature_z 0.7480 0.223 3.353 0.001 0.311 1.185 Lag1_z 0.4272 0.067 6.360 0.000 0.296 0.559 sin_doy -9.8923 1.410 -7.016 0.000 -12.656 -7.129 cos_doy -4.6930 0.851 -5.513 0.000 -6.361 -3.025 Season 0.2874 0.353 0.814 0.415 -0.404 0.979 alpha 0.8205 0.147 5.584 0.000 0.532 1.108 =========================================================================================