Table 2.
Testing Panel Unit Root of Meteorological factors and COVID-19.
| Variable | CD | CIPS | ΔCIPS | CADF | ΔCADF | 
|---|---|---|---|---|---|
| T2MDEW | 25.29*** | −3.933*** | −5.851*** | −10.932*** | −20.102*** | 
| T2M_MAX | 55.27*** | −4.411*** | −6.190*** | −13.493*** | −21.438*** | 
| T2M_MIN | 32.65*** | −3.881*** | −6.077*** | −10.383*** | −20.475*** | 
| T2M | 53.64*** | −3.970*** | −6.029*** | −12.361*** | −20.883*** | 
| WS2M | 17.52*** | −5.650*** | −6.190*** | −17.256*** | −21.673*** | 
| PRECTOT | 3.77*** | −5.764*** | −6.190*** | −18.813*** | −21.673*** | 
| RH2M | 57.85*** | −4.435*** | −6.190*** | −11.808*** | −21.673*** | 
| PS | 135.05*** | −3.357*** | −5.681*** | −8.778*** | −18.628*** | 
| RECOVERED | 104.38*** | −0.845 | −4.081*** | 5.774 | −12.073*** | 
| DEATHS | 125.79*** | −0.892 | −2.169** | 5.506 | −6.537*** | 
| CONFIRMED | 120.52*** | −1.112 | −2.866*** | 3.857 | −5.897*** | 
Notes: **, *** signify the rejection of the null hypothesis of cross-section independence for the CD test and stationarity for CIPS and CADF tests at p-value < 0.05 and p-value < 0.01; Δ is the first-difference operator. Legend: T2MDEW - Dew/Frost Point at 2 Meters (°С), T2M_MAX - Maximum Temperature at 2 Meters (°С), T2M_MIN - Minimum Temperature at 2 Meters (°С), T2M - Temperature at 2 Meters (°С), WS2M - Wind Speed at 2 Meters (m/s), PRECTOT – Precipitation (mm day−1), RH2M - Relative Humidity at 2 Meters (%), PS - Surface Pressure (kPa), RECOVERED - Recovered Cases of COVID-19 recorded (persons), DEATHS – Deaths of COVID-19 recorded (persons) and CONFIRMED - Confirmed Cases of COVID-19 recorded (persons).