sumGroups: Summarize the Group Membership of a Spectra or Spectra2D...

In ChemoSpecUtils: Functions Supporting Packages ChemoSpec and ChemoSpec2D

Summarize the Group Membership of a Spectra or Spectra2D Object

Description

This function summarizes the group membership of a Spectra or Spectra2D object.

Usage

sumGroups(spectra)

Arguments

spectra

An object of S3 class ChemoSpec::Spectra() or ChemoSpec2D::Spectra2D().

Value

A data frame as follows. Note that if there are groups with no members these are dropped.

group	The name of the group.
no.	The number in the group.
color	The color assigned to the group.
symbol	The symbol assigned to the group. Spectra objects only.
alt.symbol	The alternative symbol assigned to the group. Spectra objects only.

Author(s)

Bryan A. Hanson (DePauw University).

See Also

To summarize the entire object, sumSpectra.

Examples

if (checkForPackageWithVersion("ChemoSpec", 6.0)) {
  library("ChemoSpec")
  data(SrE.IR)
  sumGroups(SrE.IR)
}

if (checkForPackageWithVersion("ChemoSpec2D", 0.5)) {
  library("ChemoSpec2D")
  data(MUD1)
  sumGroups(MUD1)
}

ChemoSpecUtils documentation built on April 12, 2025, 5:07 p.m.