loadRaw-methods | R Documentation |
This function extracts the raw data which will be used an
xcmsRaw
object. Further processing of data is
done in the xcmsRaw
constructor.
object |
Specification of a data source (such as a file name or database query) |
The implementing methods decide how to gather the data.
A list containing elements describing the data source. The rt
,
scanindex
, tic
, and acquisitionNum
components
each have one entry per scan. They are parallel in the sense that
rt[1]
, scanindex[1]
, and acquisitionNum[1]
all
refer to the same scan. The list containst the following components:
rt |
Numeric vector with acquisition time (in seconds) for each scan |
tic |
Numeric vector with Total Ion Count for each scan |
scanindex |
Integer vector with starting positions of each scan in the |
mz |
Concatenated vector of m/z values for all scans |
intensity |
Concatenated vector of intensity values for all scans |
signature(object = "xcmsSource")
Uses loadRaw,xcmsSource-method
to extract raw data.
Subclasses of xcmsSource
can provide different
ways of fetching data.
Daniel Hackney, dan@haxney.org
xcmsRaw-class
,
xcmsSource
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