无法安装动物园包（R）
我正在尝试下载 Zoo 软件包以使用以下命令处理时间序列：
install.packages("zoo")
但我收到以下消息：
--- 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
我尝试了几个不同的镜像，但我不断收到相同的错误...是 Zoo 在大多数镜像中不可用还是出了问题？
I am trying to download the zoo package to work with time series using:
install.packages("zoo")
but I get the following message:
--- 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
I tried several different mirrors and I keep getting the same error... Is zoo just not available in most mirrors or is something going wrong?
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请参阅常见问题解答 2.19< /a>.或者，也可以在 rseek 上快速搜索“无法连接到端口 80 上的‘cran.r-project.org’”。组织。
阅读常见问题解答并搜索错误通常可以帮助您解决大多数问题。
Please see FAQ 2.19. Or, alternatively, a quick search for "unable to connect to 'cran.r-project.org' on port 80" on rseek.org.
Reading the FAQ and doing a search for the error will usually help you resolve most issues.