我试图下载动物园包用时间序列的工作:无法安装动物园包(R)
install.packages("zoo")
,但我得到了以下信息:
--- Please select a CRAN mirror for use in this session ---
Warning: unable to access index for repository http://cran.cnr.Berkeley.edu/bin/windows/contrib/2.12
Warning: unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.12
Warning messages:
1: In open.connection(con, "r") :
unable to connect to 'cran.r-project.org' on port 80.
2: In getDependencies(pkgs, dependencies, available, lib) :
package ‘zoo’ is not available
我试了不同的镜子和我不断得到相同的错误......动物园只是在大多数镜子不可用或出现问题吗?
你是否支持代理?当你尝试安装其他软件包时会发生这种情况吗? – 2011-05-18 18:33:04