Heat maps using R

January 12, 2013
By

(This article was first published on minimalR » r-bloggers, and kindly contributed to R-bloggers)

One of the great things about following blogs on R is seeing what others are doing & being able to replicate and try out things on my own data sets.

20130112-181004.jpg

For example, some great links on rapidly creating heat maps using R.

The basic steps in the process are (i) to scale the numeric data using the scale function, (ii) create a Euclidean distance matrix using the dist function and then (iii) plotting the heat map with the heatmap function.

 


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