我得到的错误对我来说很难理解。 我使用以下命令进行更新:update.packages(ask=FALSE,dependencies=TRUE),我使用根权限运行R。in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) : there is no package called ‘data_frame’ ERROR: lazy loading failed for package ‘dplyr’ there is no package called ‘<em