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Figure 1 | BMC Systems Biology

Figure 1

From: A chemokine gene expression signature derived from meta-analysis predicts the pathogenicity of viral respiratory infections

Figure 1

Meta-analysis workflow. Briefly the compendium was assembled from multiple microarray data sets and either separated into intensity-level measurements or converted to log-ratios of measurements in infected samples to their respective mock infections. Different meta-analysis methods were applied and resulted in two classes of signatures. Various criteria were used to evaluate signatures. "INF" refers to infected samples, "CTR" to matching mock-infected control samples, "PCA" to principal components analysis, and "PCCS" to Pearson correlation coefficient scatter plot.

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