使用 Shiny 时，包 rcpp 不适用于（R 版本 2.15.2）

Question

这是我收到的消息，我不知道在哪里将 R 更新到 3.0.0，资源会有所帮助。我已经在网上搜寻了对这个确切问题有明确答案的人。

R version 2.15.2 (2012-10-26) -- "Trick or Treat"
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ISBN 3-900051-07-0
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install.packages('Rcpp', repos='http://cran.rstudio.com/')
# Installing package(s) into ‘/usr/lib64/R/library’
# (as ‘lib’ is unspecified)
# Warning message:
# package ‘Rcpp’ is not available (for R version 2.15.2)

Answer 1

我相信你需要Rcpp，注意大写。检查CRAN page for Rcpp，看来 Rcpp 现在需要 R 3.0.0 或更高版本。我在 CentOS 上并且有 3.0.2，但遗憾的是不记得我是如何更新的。