kilataban

# Install R
sudo apt-get update
sudo apt-get install gdebi libxml2-dev libssl-dev libcurl4-openssl-dev libopenblas-dev r-base r-base-dev

# Install RStudio
cd ~/Downloads
wget https://download1.rstudio.org/rstudio-xenial-1.1.383-amd64.deb
sudo gdebi rstudio-xenial-1.1.383-amd64.deb
printf '\nexport QT_STYLE_OVERRIDE=gtk\n' | sudo tee -a ~/.profile

kilataban

/* call-by-value means the parameters are evaluated left to 
** right to determine their value before the function itself 
** is evaluated 
*/
def first(a: Int, b: Int): Int = a
first(3 + 4, 5 + 6) // will be reduced to first(7, 5 + 6), then first(7, 11), and then 7

/* call-by-name means the paramter is passed into the function 
** as is. Parameter evaluation takes place after 
** substitution