sumGroups: Summarize the Group Membership of a Spectra or Spectra2D...
In ChemoSpecUtils: Functions Supporting Packages ChemoSpec and ChemoSpec2D

Description Usage Arguments Value Author(s) See Also Examples

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

1	sumGroups(spectra)

spectra

An object of S3 class Spectra or Spectra2D whose group membership information is desired.

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.

Bryan A. Hanson (DePauw University)

To summarize the entire object, sumSpectra.

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

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