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Penalized Likelihood estimates for fixed effect regression coefficients and the random effect standard deviations using the proposed method, allowing for only the random slope and time trend.
| Variables | Int | SO4 | NH4 | O3 | T | Td | RH | SR | WS | P | l(t) | s1(t) | c1(t) | s2(t) | c2(t) | s3(t) | c3(t) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fixed | - | −2.28 | 6.20 | 2.65 | 0 | 0 | −0.84 | 0 | 0 | −0.64 | −1.07 | 4.90 | 6.67 | −0.14 | 0 | 0 | 0 |
| Random | 0.22 | - | - | - | - | - | - | - | - | - | 0.51 | 1.18 | 1.14 | 0 | 0.46 | 0 | 0 |
