Research Article

A New Hybrid Model FPA-SVM Considering Cointegration for Particular Matter Concentration Forecasting: A Case Study of Kunming and Yuxi, China

Table 2

The ADF unit root test on time series.

ā€‰Kunming_PM2.5Kunming_PM10Yuxi_PM2.5Yuxi_PM10

-statistic
Prob.