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. 2014 Feb 14;4:4088. doi: 10.1038/srep04088

Figure 1. Pairwise correlation between all of the samples based on the Spearman correlation coefficient.

Figure 1

Based on the read counts measurements, the heatmap exhibits a hierarchical clustering of 8 transcriptome samples (sex*host plant). The inserted color key depicts the value of Spearman correlation coefficient, ranging from green (normalized expression of −1) to red (normalized expression value of 1).