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- Volcano_plot_(statistics) abstract "In statistics, a volcano plot is a type of scatter-plot that is used to quickly identify changes in large datasets composed of replicate data. It plots significance versus fold-change on the y- and x-axes, respectively. These plots are increasingly common in omic experiments such as genomics, proteomics, and metabolomics where one often has a list of many thousands of replicate datapoints between two conditions and one wishes to quickly identify the most-meaningful changes. A volcano plot combines a statistical test (e.g., p-value, ANOVA) with the magnitude of the change enabling quick visual identification of those data-points (genes, etc.) that display large-magnitude changes that are also statistically significant.A volcano plot is constructed by plotting the negative log of the p-value on the y-axis (usually base 10). This results in datapoints with low p-values (highly significant) appearing towards the top of the plot. The x-axis is the log of the fold change between the two conditions. The log of the fold-change is used so that changes in both directions (up and down) appear equidistant from the center. Plotting points in this way results in two regions of interest in the plot: those points that are found towards the top of the plot that are far to either the left- or the right-hand side. These represent values that display large magnitude fold changes (hence being left- or right- of center) as well as high statistical significance (hence being towards the top).Additional information can be added by coloring the points according to a third dimension of data (such as signal-intensity) but this is not uniformly employed. Volcano plot is also used to graphically display a significance analysis of microarrays (SAM) gene selection criterion, an example of the regularization.".
- Volcano_plot_(statistics) thumbnail Volcano_eg.jpg?width=300.
- Volcano_plot_(statistics) wikiPageExternalLink Statistical.Tests.jsp.
- Volcano_plot_(statistics) wikiPageExternalLink mavolcanoplot.html.
- Volcano_plot_(statistics) wikiPageID "25668921".
- Volcano_plot_(statistics) wikiPageRevisionID "542630380".
- Volcano_plot_(statistics) hasPhotoCollection Volcano_plot_(statistics).
- Volcano_plot_(statistics) subject Category:Bioinformatics.
- Volcano_plot_(statistics) subject Category:Statistical_charts_and_diagrams.
- Volcano_plot_(statistics) subject Category:Statistical_methods.
- Volcano_plot_(statistics) type Ability105616246.
- Volcano_plot_(statistics) type Abstraction100002137.
- Volcano_plot_(statistics) type Chart106999802.
- Volcano_plot_(statistics) type Cognition100023271.
- Volcano_plot_(statistics) type Communication100033020.
- Volcano_plot_(statistics) type Know-how105616786.
- Volcano_plot_(statistics) type Method105660268.
- Volcano_plot_(statistics) type PsychologicalFeature100023100.
- Volcano_plot_(statistics) type StatisticalChartsAndDiagrams.
- Volcano_plot_(statistics) type StatisticalMethod106020737.
- Volcano_plot_(statistics) type StatisticalMethods.
- Volcano_plot_(statistics) type VisualCommunication106873252.
- Volcano_plot_(statistics) comment "In statistics, a volcano plot is a type of scatter-plot that is used to quickly identify changes in large datasets composed of replicate data. It plots significance versus fold-change on the y- and x-axes, respectively. These plots are increasingly common in omic experiments such as genomics, proteomics, and metabolomics where one often has a list of many thousands of replicate datapoints between two conditions and one wishes to quickly identify the most-meaningful changes.".
- Volcano_plot_(statistics) label "Volcano plot (statistics)".
- Volcano_plot_(statistics) sameAs m.09v0zvv.
- Volcano_plot_(statistics) sameAs Q7940074.
- Volcano_plot_(statistics) sameAs Q7940074.
- Volcano_plot_(statistics) sameAs Volcano_plot_(statistics).
- Volcano_plot_(statistics) wasDerivedFrom Volcano_plot_(statistics)?oldid=542630380.
- Volcano_plot_(statistics) depiction Volcano_eg.jpg.
- Volcano_plot_(statistics) isPrimaryTopicOf Volcano_plot_(statistics).
