基于大数据的空气质量对公众外出游玩影响研究
敖长林, 王菁霞, 孙宝生

Impact of air quality on public outings based on big data
AO Changlin, WANG Jingxia, SUN Baosheng
表1 空气质量指数及其他控制变量分类结果
Table 1 Classification results of air quality index (AQI) and other control variables
属性 分类 属性 分类
空气质量指数 AQI [0, 50] 降水量 precipitation/mm =0
[51, 100] (0, 25]
[101, 150] (25, ∞)
[151, 200] snow =0无雪
[201, 300] =1有雪
(300, ∞) rain =0无雨
温度 temperature/℃ (-∞, -7] =1有雨
(-7, 5] 供暖季 season =0非供暖季
(5, 21] =1供暖季
(21, 38] 节假日 holiday =0非节假日
风速 wind speed/(m/s) (-∞, 1.5] =1节假日
(1.5, 3.3] 周末 weekend =0非周末
(3.3, 5.4] =1周末
(5.4, 7.9] 门票价格 price/元 [0, 100]
(7.9, 10.7] (100, 200]
能见度 visibility/km (-∞, 2] (200, ∞)
(2, 10]
( 10, ∞)