Parameters | Spectral Preprocessing | x Variable

x Variable
Specify the x variable , which indexes the order of observations (or spectra) for binning, detrending, peak-finding, or aligning. For mass spectrometry data, the X variable is typically mz (mass-to-charge ratio) or tof (time-of-flight).
To Specify an x Variable:
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Specify an Input SAS Data Set to activate the X Variable field.
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Left-click a variable from the Available Variables field.
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