After the exploratory stage of our data analyses, it is likely that we want to present our graphical heat map representations to an audience. This can be via presentation software over a projector, embedded in a website, a poster printout, or an image in a journal article. In this recipe, we will learn about the different file formats for image export so that we can choose whatever is most suited for the purpose.
5644OS_05_01.r script from your account at http://www.packtpub.com and save it to your hard drive.
For an explanation of how to run scripts in R, please read the Getting ready section of the Creating your first heat map in R recipe.
The script will check automatically if any additional ...