Volcano Plot

Volcano Plot

Usage

volcano_plot(
  .data,
  log2_fold_change,
  log_p,
  var,
  alpha = 0.05,
  highlight_significant = TRUE
)

Arguments

.data

A data frame, e.g. the output of multiple_t_test.

log2_fold_change

Unquoted column of log2 fold-change.

log_p

Unquoted column of -log10(p.value).

var

Unquoted column of variable labels.

alpha

Significance threshold for the reference line/shading (default 0.05).

highlight_significant

Logical (default TRUE); shade the region above the p < alpha line.

Value

A ggplot object.

Examples

mtcars |>
  dplyr::mutate(am = factor(am)) |>
  multiple_t_test(.class = "am") |>
  volcano_plot(log2_fold_change = log2_fold_change, log_p = log_p, var = var)