更新R的方法

直接重新从官网上下载 R包的转移方法: (''')
library(installr)
copy.packages.between.libraries(from = "F:\\R\\R-3.3.2\\library"
, to = "F:\\R\\R-3.5.0\\library"
【更新R的方法】, ask =T, keep_old = TRUE
, do_NOT_override_packages_in_new_R = TRUE)
(''')

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