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I'm trying to install the quadprog package in R in mac but it keeps showing this massage:

  • installing source package ‘quadprog’ ... ** package ‘quadprog’ successfully unpacked and MD5 sums checked ** libs gfortran-4.8 -fPIC -g -O2 -c aind.f -o aind.o make: gfortran-4.8: No such file or directory make: *** [aind.o] Error 1 ERROR: compilation failed for package ‘quadprog’
  • removing ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/quadprog’

Anybody know what I should do to have it installed?

Clarice Loureiro
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    `make` can't find `gfortran-4.8` in your `PATH`. You haven't installed it. Go to `http://r.research.att.com` and go to the subdirectory `libs`. you will find `gfortran-4.82-......`. Download it and install it following the instructions in the R-admin manual. But why don't you download the binary from CRAN? – Bhas Mar 21 '16 at 18:13
  • Thanks @Bhas! Just followed what you recommended and It worked! – Clarice Loureiro Mar 21 '16 at 20:04
  • I had the same problem. I upgraded R using the nightly builds at the address from @Bhas and now the problem is fixed. thanks – user3479780 Nov 19 '19 at 20:51
  • Do realise that in 2019 R uses a more uptodate gfortran (6.1). See the macOS tools page on CRAN [here](https://cran.r-project.org/bin/macosx/tools) (valid if you are using the CRAN version of R). – Bhas Nov 21 '19 at 06:42

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