## Visualisation / Volcano plot from existing results

### Description

Creates a volcano plot on the basis of existing information.

### Parameters

- P-value column
- Fold change column
- Image width (200...3200) [600]
- Image height (200...3200) [600]

### Details

This tool creates a volcano plot from data which contains genewise p-values and fold changes. The values can be created by by using the empirical Bayes method when running for example the tool Statistics /Two group tests). In the plot, dots of genes of which p-value is below a given threshold are red. The threshold is indicated with a dashed horizontal line.

### Output

A PNG image containing the Volcano plot: