原理、图的理解,可以参考Reference中的链接 安装 ubuntu sudo apt install libudunits2-dev libgdal-dev R speedglm包违反CRAN规定被删除了 "mojaveazure/loomR@develop", "url::https://packagemanager.rstudio.com/cran/2023-03-31/src/contrib/speedglm
,"mojaveazure/loomR@develop", "url::https://packagemanager.rstudio.com/cran/2023-03-31/src/contrib/speedglm