Big data refers to the situations when volume, velocity, or a variety of data exceeds the abilities of our computation capacity to process, store, and analyze them.

Why R? In scientific articles, R as programming language has become common and well liked. Outside of science, however, its potential for creation of purpose adapted figures is not widely known. This is not surprising, since it is a known fact that graphic designers or journalists find programming difficult.

Different ways to import your excel data into R.

The basics of ggplot2