贴一下官方镜像的网址，3.5的环境安装失败，提示amap包错误，查看镜像amap包更新到了R3.6，下载Windows binaries: r-oldrel:amap_0.8-16.zip
重新加载plspm包，可用
https://cran.r-project.org/web/packages/plspm/index.html
https://cran.r-project.org/web/packages/amap/index.html
作者在github上有详细的说明
https://github.com/gastonstat/plspm
pls-pm：Partial Least Squares Path Modeling，偏最小二乘路径模型
The exposure of whether the GoF is small, medium or large, it is mentioned by Wetzels et al. (2009)
1) GoF small = 0.1,
2) GoF medium = 0.25,
3) GoF large = 0.36
https://www.researchgate.net/post/Is_there_any_goodness_of_fit_index_for_PLS
具体的使用说明，见官方文档
https://cran.r-project.org/web/packages/plspm/vignettes/plspm_introduction.pdf
参考
http://blog.sciencenet.cn/home.php?mod=space&uid=2379401&do=blog&id=940864
