project3package 安装 您可以使用以下行安装project3package: devtools :: install_github( " thulinjt/project3package " , build_vignette = TRUE , build_opts = c()) 使用 该小插图演示了所有主要功能的用法示例。您可以使用以下代码来查看小插图: library( project3package ) # Use this to view the vignette in the project3package HTML help help( package = " project3package " , help_type = " html " ) # Use this to view the vignette as an isolated HTML file ut