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  1. install.packages('txtplot', repos='http://c...content-available-to-author-only...t.org', lib=".")
Success #stdin #stdout #stderr 0.55s 47744KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
Warning: unable to access index for repository http://c...content-available-to-author-only...t.org/src/contrib:
  cannot open URL 'http://c...content-available-to-author-only...t.org/src/contrib/PACKAGES'
Warning message:
package ‘txtplot’ is not available (for R version 3.3.2)