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Table 2 Classification of all days in the winter season during the period 2015-2019 as forecasted and/or confirmed to be wind days or not

From: Environmental assessment of interventions to restrain the impact of industrial pollution using a quasi-experimental design: limitations of the interventions and recommendations for public health policy

Confirmed by later measures of meteorological variables to be a wind-day Forecasted as wind day Total
Yes No
Yes 128 True prositive 42 False negative 170
No 31 False positive 1,531 True negative 1,562
Total 159   1,573   1,732