plot_trend {lipidr} | R Documentation

## Plot a regulation trend line between logFC and chain annotation

### Description

Fit and plot a regression line of (log2) fold changes and total chain lengths or unsaturations. If multiple comparisons are included, one regression is plotted for each.

### Usage

    plot_trend(de_results, annotation = c("length", "unsat"))

### Arguments

`de_results` | Output of de_analysis.
`annotation` | Whether to fit trend line against chain `length` or `unsat`.

### Value

A ggplot object.

### Examples

    data(data_normalized)
    de_results <- de_analysis(
      data_normalized,
      HighFat_water - NormalDiet_water,
      NormalDiet_DCA - NormalDiet_water,
      measure = "Area"
    )
    plot_trend(de_results, "length")

[Package lipidr version 2.4.0 Index]