Thanks to Dr. John Petkau from UBC Stats Department. ++++++++++++++++++++++++++++++++++++++++++++++++++++ Variable Definition: Date: date at which the measurement is observed A.er: Emergence room visits due to Asthma B.er: Emergence visits due to Bronchitis E.er: Emergence visits due to Ear Infection O.er: Emergence visits due to other reasons Temp: Daily average termperature Hmd.h: Daily maximum humidity reading Hmd.l: Daily minimum humidity reading TRS: Total reduced sulphur compounds L.TSP: Total suspended particulates (Measured every five other days and the daily TSP is created via linear interpolation)