Convert a chromatogram object to a data.frame. — as.data.frame.Chromatograms • Chromatograms

Returns a data.frame in long format with one row per data point and columns rtime, intensity and index. index is a factor with the position of the chromatogram within x (seq_along(x)) and uniquely identifies each chromatogram.

To add additional chromatogram variables (e.g. "mz") request them through the chromVariables parameter.

Usage

# S3 method for class 'Chromatograms'
as.data.frame(
  x,
  row.names = NULL,
  optional = FALSE,
  chromVariables = character(),
  ...
)

Arguments

x: Chromatograms object.
row.names: optional row names for the returned data.frame. Must be equal to the number of rows in the returned data.frame.
optional: currently ignored; present for consistency with the base generic.
chromVariables: character with the names of additional chromatogram variables (available in chromVariables(x)) to be added as columns from chromData(x).
...: currently ignored.

Author

Gabriele Tomè