Travis testing attempt 4.5

.travis.yml

@@ -6,9 +6,15 @@ python:
   - "3.7"
 
 before_install:
-  # - sudo apt-get install -y r-base
-  - sudo apt-get install -y r-base-dev
-  # - sudo apt-get install gfortran
+  # Install Linuxbrew
+  - git clone https://github.com/Linuxbrew/brew.git $HOME/.linuxbrew
+  - PATH="$HOME/.linuxbrew/bin:$PATH"
+  - echo 'export PATH="$HOME/.linuxbrew/bin:$PATH"' >>~/.bash_profile
+  - export MANPATH="$(brew --prefix)/share/man:$MANPATH"
+  - export INFOPATH="$(brew --prefix)/share/info:$INFOPATH"
+  - brew --version
+  - brew install r
+  - brew install pandoc
   - sudo chmod ugo+rw /usr/local/lib/R/site-library 
   - R -e 'install.packages(c( "rmarkdown"), repos = "http://cran.us.r-project.org")'