Figure 1
From: Environment and taxonomy shape the genomic signature of prokaryotic extremophiles

Frequency Chaos Game Representation (\(fCGR_{k}\)) of the global importance of various 6-mers in the classification of DNA sequences of each environment category from the rest of the dataset. The top panel shows the \(fCGR_k\) for the Temperature Dataset, and the bottom panel shows the \(fCGR_k\) for the pH Dataset, both for \(k=6\). The colour and intensity of each pixel represent the relative importance (relevance) of its corresponding 6-mer (dark blue pixels represent the most relevant 6-mers, etc., as described in the colour bar legend).