Application of Multiple Linear Regression Models and Artificial Neural Networks on the Surface Ozone Forecast in the Greater Athens Area, Greece

Table 1

Variables of the developed models.

Independent variables	Description
𝑥1	The natural logarithm of the maximum daily ozone concentration of the previous day
𝑥2	The maximum daily air temperature of the previous day
𝑥3	The mean daily wind speed of the previous day
Dependent variable	Description
𝑦	The natural logarithm of the maximum daily ozone concentration 24 hours ahead