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  1. install.packages("txtplot")
  2. txtplot(cars[,1], cars[,2])
Success #stdin #stdout #stderr 0.5s 79168KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
Warning in install.packages("txtplot") :
  'lib = "/usr/local/lib/R/site-library"' is not writable
Error in install.packages("txtplot") : unable to install packages
Execution halted