The Data Distributions node displays the areas and ratios calculated by the Precursor Ions Quantifier node or the Reporter Ions Quantifier node as data distribution maps that show the distribution of values across the available files, samples, and sample groups, or across ratios and ratio groups. The ratio changes are currently color-coded. The area values are also color-coded, with the color ranging from yellow to red with increasing area. The data distribution maps help you to visually validate quantification results.
The node also color-codes the up- or down-regulation for individual ratios. For reporter ion quantification, it also color-codes the Areas columns according to the intensity of the individual reporter ions.
The Data Distributions node adds the Found in Files, Found in Samples, and Found in Sample Groups columns to the Protein Groups, Proteins, and Peptide Groups pages in the result file.
The following table describes the parameters for the Data Distributions node.
Parameter | Definition |
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Peptides to Use | Specifies the peptides to use to calculate identification distributions for the distribution maps.
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