User: ron.wehrens

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ron.wehrens10
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Netherlands
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Posts by ron.wehrens

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Comment: C: Is it possible to visualise the content of a xcmsSet object / the output of peak
... peakDetection is simply a wrapper for findPeaks. It returns either an xcmsSet object, or a list of xcmsSet objects, as is written in the documentation. The peaks function should therefore work either on the result of peakDetection directly, or if that is a list, it should work on the list elemen ...
written 2.3 years ago by ron.wehrens10
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Answer: A: Is it possible to visualise the content of a xcmsSet object / the output of peak
... Hi Lucie, running xcms will give you an object of class xcmsSet, which is not a simple list but a more complicated (S4) structure, where slots are accessible through the @ operator. To see what slots are available, use function slotNames. However, it is better to use the accessor functions prov ...
written 2.3 years ago by ron.wehrens10
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Answer: A: metaMS for analysis of GC-MS data
... Hi Lucie,   thanks for your feedback on metaMS!   Just to clarify matters, what metaMS does is basically to use XCMS for peak picking, and CAMERA for the definition of pseudospectra. It allows sets of machine-specific parameters to be defined and stored as objects which can then be used in the p ...
written 2.6 years ago by ron.wehrens10

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