Install mark and RMark in Ubuntu 18.04

Enter this in terminal, and after you can install the package Rmark:

cd /usr/local/bin
sudo wget -U "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.75.14 (KHTML, like Gecko) Version/7.0.3 Safari/7046A194A" http://www.phidot.org/software/mark/downloads/files/mark.64.zip
sudo unzip mark.64.zip
sudo rm mark64.zip
sudo rm mark64.static
sudo cp mark64.dynamic mark
sudo rm mark64.dynamic
sudo chmod +x mark
sudo apt-get install libgfortran5

And in R:
install.packages("RMark")

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