Table 1 The number of hours assigned to each category after the screening process is shown.

From: Developing reliable hourly electricity demand data through screening and imputation

Category Counts Percent (%)
‘okay’ 1,843,424 97.36
‘missing’ 41,015 2.16
‘negative or zero’ 863 0.05
‘identical run’ 3,861 0.20
‘global demand’ 170 0.01
‘global demand ± 1 hour’ 285 0.01
‘local demand’ 671 0.03
‘double-sided delta’ 1,212 0.06
‘single-sided delta’ 181 0.01
‘anomalous region’ 1,773 0.09
Flagged for Imputation 50,031 2.64
Total Hours 1,893,456 100.00