jiangbeilu 发表于 2016-3-13 18:21
用SDMTools这个包。
都可以解决问题。
谢谢! 但是请问这个SDMTools要去哪里找呢,我直接在rstudio里没能找到它
- > install.packages("SDMTools")
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- unable to access index for repository https://cran.rstudio.com/src/contrib:
- cannot open URL 'https://cran.rstudio.com/src/contrib/PACKAGES'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/src/contrib:
- cannot open URL 'http://www.stats.ox.ac.uk/pub/RWin/src/contrib/PACKAGES'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- unable to access index for repository https://cran.rstudio.com/src/contrib:
- cannot open URL 'https://cran.rstudio.com/src/contrib/PACKAGES'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/src/contrib:
- cannot open URL 'http://www.stats.ox.ac.uk/pub/RWin/src/contrib/PACKAGES'
- Warning in install.packages :
- package ‘SDMTools’ is not available (for R version 3.2.3)
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- unable to access index for repository https://cran.rstudio.com/bin/windows/contrib/3.2:
- cannot open URL 'https://cran.rstudio.com/bin/windows/contrib/3.2/PACKAGES'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- InternetOpenUrl failed: '无法解析服务器的名称或地址'
- Warning in install.packages :
- unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/3.2:
- cannot open URL 'http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/3.2/PACKAGES'
复制代码