Table 1.
The coefficients estimated in the regression models.
Fig 1.
Fitting results of annual PM2.5 data for 2015.
Fig 2.
Cross-validation results of annual PM2.5 data for 2015.
Table 2.
Descriptive statistics and summary of regression results.
Table 3.
Summary of R2 and error measure for fitting and cross-validation result.
Fig 3.
Fitting results of PM2.5 data for spring 2015.
Fig 4.
Cross-validation results of PM2.5 data for spring 2015.
Fig 5.
Fitting results of PM2.5 data for summer 2015.
Fig 6.
Cross-validation results of PM2.5 data for summer 2015.
Fig 7.
Fitting results of PM2.5 data for autumn 2015.
Fig 8.
Cross-validation results of PM2.5 data for autumn 2015.
Fig 9.
Fitting results of PM2.5 data for winter 2015.
Fig 10.
Cross-validation results of PM2.5 data for winter 2015.
Table 4.
Pearson correlation between PM2.5 and the various parameters.