The contribution is focused on the crossing problem, the question of mean number of points the process crosses the level and the question of time spent above the level. Results are presented on simulated time series and on series of some air pollutants.
The contribution is focused on the crossing problem, the question of mean number of points the process crosses the level and the question of time spent above the level. Results are presented on simulated time series and on series of some air pollutants. (en)