Exact(3)
In the second part of the processing, we use the 200-station-based ionosphere solution to correct measurements from the remaining stations for the ionospheric contribution.
When a monitor had a missing value for a specific day, it was replaced by the average of the values of the remaining stations for that day multiplied by a factor equal to the ratio of the annual mean for the missing station over the corresponding annual mean for the other stations (Katsouyanni et al. 2001).
To obtain city-specific exposure estimates, the monitor-specific concentrations were averaged, and missing values from the averaged series were imputed as the average of the values of the remaining stations for that day multiplied by a factor equal to the ratio of the annual mean for the missing station over the corresponding annual mean from the other stations (Katsouyanni et al. 2001).
Similar(57)
Apple in January made its DJ-hosted station Beats 1 the only free radio option in Apple Music, and put the remaining stations behind a paywall for subscribers.
The displacement power spectral densities (PSD) are first computed for all remaining stations using 3 hours of signal preceding the 2011 Tohoku Earthquake.
Daily mean values were then calculated for all meteorological and environmental data; when a particular station lacked daily environmental data, the average across the remaining stations was calculated.
Activate the remaining stations.
So convincingly had the station shut for the night that we had to persuade the few remaining station employees that we had the right to be released.
For six months, the Brazilian warships remained stationed between Curupayty and Humaitá, bombarding both strongholds without causing any serious damage.
But it remained a station for American expats curious about the Top Forty power ballads and soft-rock hits from back home, and locals who aspired to a future somewhere else.
Offshore production structures like Floating, Production, Storage and Offloading vessels (FPSOs) are designed to remain in station for 25 years or more.
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