isDuplicated.AffymetrixCelSet {aroma.affymetrix}R Documentation

Identifies duplicated CEL files

Description

Identifies duplicated CEL files by comparing the timestamps in the CEL headers.

Usage

## S3 method for class 'AffymetrixCelSet':
isDuplicated(this, ..., verbose=FALSE)

Arguments

... Not used.
verbose If TRUE, progress details are printed, otherwise not. May also be a Verbose object.

Value

Returns a logical vector of length equal to the number of files in the set. An element with value TRUE indicates that the corresponding CEL file has the same time stamp as another preceeding CEL file.

Author(s)

Henrik Bengtsson (http://www.braju.com/R/)

See Also

Internally duplicated() is used to compare timestamps. For more information see AffymetrixCelSet.

Examples

## Not run: 
  # The data set of interest
  ds <- AffymetrixCelSet$fromFiles(path=...)

  # Added other data sets to be used as a reference
  for (path in refPaths) {
    dsR <- AffymetrixCelSet$fromFiles(path=path)
    append(ds, dsR)
  }

  # Keep only unique arrays
  ds <- extract(ds, !isDuplicated(ds))
## End(Not run)

[Package aroma.affymetrix version 1.2.0 Index]