I am trying to install the package "vegan", but I am have a couple of message error:
install.packages("vegan")
Warning in install.packages :
package ‘vegan’ is not available (for R version 3.3.2)
I tried:
install.packages("vegan",repos="http://cran.us.r-project.org")
but the message is the following:
Warning in install.packages :
unable to access index for repository:
cannot download all files
Warning in install.packages :
package ‘vegan’ is not available (for R version 3.3.2)
Warning in install.packages :
unable to access index for repository http: //cran.us.r-project.org/bin/macosx/mavericks/contrib/3.3:
cannot download all files
Can someone can hep me with this, please?
Thank you!
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