Longitudinal Marijuana and Alcohol Useage Data

Data example consisting of marijuana joints smoked per day and daily alcohol use (yes, no) during 112 days of treatment on 65 adolescents who completed a pharmacotherapy trial for attention defecit hyperactivity disorder and substance use and who were regular users of both drugs at baseline.该数据集示例包含65名青少年在112天治疗周期内的每日吸食大麻烟卷数量与每日饮酒情况（是/否）数据。上述受试者均完成了针对注意缺陷多动障碍（Attention Deficit Hyperactivity Disorder，ADHD）与物质使用的药物治疗（pharmacotherapy）试验，且在试验基线（baseline）时为两种物质的规律使用者。