melt function

Melt

Melt

Convert arrays, lists, and other objects to data frames.

## S4 method for signature 'ANY' melt(data, ...) ## S4 method for signature 'array' melt(data, ...) ## S4 method for signature 'list' melt(data, ..., level = 1)

Arguments

  • data: object to convert
  • ...: ignored
  • level: integer; level of recursion

Details

melt converts its first argument to a data frame. It is a simplified version of the melt command provided by the no-longer maintained reshape2 package.

An array can be melted into a data frame. In this case, the data frame will have one row per entry in the array.

A list can be melted into a data frame. This operation is recursive. A variable will be appended to distinguish the separate list entries.

  • Maintainer: Aaron A. King
  • License: GPL-3
  • Last published: 2025-04-16