Table 3.

WAIC values for monthly pollutant models with different methods for using weather covariates.

Model	PM10	PM2.5	SO2	CO	NO2	O3
1. Exclude weather covariates	−810.49	−932.64	−328.12	−467.15	−856.00	−1026.77
2. Mean values	−838.14	−1001.50	−350.41	−468.53	−2044.77	−2051.05
3. Means of posterior predictive distribution	−833.04	−998.91	−341.33	−467.04	−2027.96	−2057.84
4. Error models	−1302.55	−1046.17	−389.43	−646.71	−2097.08	−2086.67
5. Excluding SPDE model	−1885.11	−723.74	−319.38	−472.62	−1078.37	−2084.94
6. Excluding quadratic spatial terms	−2053.49	−1009.52	−378.29	−690.40	−2067.99	−2139.77