mz_vis {MetNet}R Documentation

Visualize mass difference distribution

Description

The function 'mz_vis' visualizes the mass difference distribution, which has been summarized by 'mz_summary'.

Usage

mz_vis(df)

Arguments

df

'data.frame', previously generated by 'mz_summary'. Needs to contain the columns "transformation", "mass_difference" and "counts".

Details

Plots the mass difference distribution, summarized by 'mz_summary'. Visualization is performed using ggplot2

Value

'ggplot' object and corresponding barplot for visualizations

Author(s)

Liesa Salzer, liesa.salzer@helmholtz-muenchen.de

Examples

data("x_test", package = "MetNet")
transformation <- rbind(
    c("Monosaccharide (-H2O)", "C6H10O5", "162.0528234315"),
    c("Disaccharide (-H2O)", "C12H20O11", "340.1005614851"),
    c("Trisaccharide (-H2O)", "C18H30O15", "486.1584702945"))
transformation <- data.frame(group = transformation[, 1],
                                formula = transformation[, 2],
                                mass = as.numeric(transformation[, 3]))
am_struct <- structural(x_test, transformation, ppm = 5, directed = TRUE)
mz_sum <- mz_summary(am_struct)
mz_vis(mz_sum)


[Package MetNet version 1.10.0 Index]