Print plot to file

1) Save current open screen figure as pdf file

# plot something

x=c(1,2,3,4,5)

y=c(5,2,3,4,1)

plot(x,y)

# save plot as PDF file, size 6 × 6 inch

dev.copy(pdf, 'myfigure.pdf', width = 6, height = 6)

dev.off()

2) Print figure to pdf file (within a script)

pdf(file = 'myfigure.pdf') # create pdf file for writing

# png(file = 'myfigure.png') # or, save as PNG file

# draw boxplot (not visible on screen, draw directly into pdf-file)

x1=mydata$height

x2=mydata$width

boxplot(x1, x2, names=c("Height", "Width"), boxwex=0.4)

dev.off() # close pdf file