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我使用了 RWEKA,突然当我使用:

> require("RWeka")

我收到以下错误:

Loading required package: RWeka
Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) : 
  namespace ‘RWekajars’ 3.9.1-3 is already loaded, but >= 3.9.3.1 is required
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