Table 2.
Stepwise multivariate regression between DF cases and influent factors, Hanoi, 2002–2010
| Model-1 | Model-2 | Model-3 | Model-4 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
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| Lag | Coef | p | [95% Conf. interval] | Coef. | p | [95% Conf. interval] | Coef. | p | [95% Conf. interval] | Coef. | p | [95% Conf. Interval] | |||||
| p and r correlation | p<0.001; r=72.6 | p<0.001; r=81.9 | p<0.001; r=87.8 |
p<0.001; r=88; AIC=1157; RMSE=205.95; GCV=58.9 |
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| rain1lag1 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.88 | 0.00 | 0.00 | 0.00 | 0.23 | 0.00 | 0.00 | 0.00 | 0.79 | 0.00 | 0.00 | |
| Lag1 | temp1lag1 | 0.22 | 0.00 | 0.16 | 0.28 | 0.18 | 0.00 | 0.13 | 0.23 | 0.19 | 0.00 | 0.13 | 0.24 | ||||
| lagcase1 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||||||||
| interact1 | 0.00 | 0.13 | 0.00 | 0.00 | |||||||||||||
| p and r correlation | p<0.001; r=78.1 | p<0.001; r=85.1 | p<0.001; r=85.3 |
p<0.001; r=85.8 AIC=1157; RMSE=7.85; GCV=115.0 |
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| rain1lag2 | 0.01 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | |
| Lag2 | temp1lag2 | 0.17 | 0.00 | 0.11 | 0.22 | 0.15 | 0.00 | 0.10 | 0.21 | 0.16 | 0.00 | 0.11 | 0.21 | ||||
| lagcase2 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | |||||||||
| interact2 | 0.00 | 0.01 | 0.00 | 0.00 | |||||||||||||
| p and r correlation | p<0.001; r=74.0 | p<0.001; r=75.2 | p<0.001; r=75.8 |
p<0.001;r=76.4 AIC=1183; RMSE=1.29; GCV=171.0 |
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| rain1lag3 | 0.01 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | |
| Lag3 | temp1lag3 | 0.07 | 0.01 | 0.01 | 0.13 | 0.08 | 0.01 | 0.02 | 0.14 | 0.09 | 0.01 | 0.03 | 0.15 | ||||
| lagcase3 | 0.00 | 0.11 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | |||||||||
| interact3 | 0.00 | 0.05 | 0.00 | 0.00 | |||||||||||||