Research Article

Main Factors Influencing Winter Visibility at the Xinjin Flight College of the Civil Aviation Flight University of China

Table 3

Regression equations and R2(r) with different types of factors.

FactorsRegression equationDecisive coefficient (correlation coefficient)

PM2.5, RHVIS = 16657.056−19.691PM2.5−126.738RH0.659 (0.812)
PM2.5, RH, TVIS = 17752.263−19.051PM2.5−132.442RH−76.068T0.664 (0.815)
PM2.5, RH, VVIS = 166447.836−19.541PM2.5−125.441RH+99.352V0.655 (0.812)
PM2.5, RH, V, P, TVIS = −1238.269−18.545PM2.5−130.692RH−57.256T + 101.246V + 16.568P0.665 (0.815)

Note. The significance level of a = 0.01 has been passed.