Further R code for "Close Parallels between Cannabis Use and Deteriorating US Mental Health at Four Levels Supports and Extends the Epidemiological Salience of Demonstrated Causal Mental Health Relationships: A Geospatiotemporal Study"

Further R code and source files for mechanistic discussion in paper of above title.对应上述标题的论文中，用于机制性讨论的补充R代码及源文件。