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johannes.rainer
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Date Registered:
June 09, 2017, 01:20:31 AM
Last Active:
January 15, 2019, 01:07:39 AM
Local Time:
January 21, 2019, 11:41:49 AM

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Affiliation:
Eurac Research, Bolzano, Italy

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Recent Posts

Message Board Subject Date
We have AB Sciex data and so far I used proteowizard centroiding (with vendor option). This turned out to be a poor choice. W... Tools Re: Data from waters ... December 12, 2018, 06:31:36 AM
Just chiming in with some explanations how xcms works now with large projects. We use now an object from the MSnbase package ... Other Re: Peak alignment wi... December 12, 2018, 06:27:14 AM
The option to perform an alignment on a subset of samples (and adjust the retention times of the remaining samples to these) ... XCMS Re: sequential additi... December 03, 2018, 03:36:28 AM
Just a heads up: I'm quite confident to find the time to work on this topic soon (see xcms issue https://github.com/sneumann/... XCMS Re: sequential additi... November 28, 2018, 01:31:13 AM
I'm using linear models to estimate the drift for each feature (similar to Wehrens et al mentione by Jan above) on QC samples... Other Re: Feature intensity... November 20, 2018, 06:34:09 AM
In fact you did everything correctly. The problem was that replacing the identified peaks with chromPeaks(object) <- removes ... XCMS Re: Gaussian shape pe... November 05, 2018, 07:08:02 AM
Thanks Krista for providing the example! It's also nice to see that you used the filterRt/filterMz in your code.I'll have a l... XCMS Re: Gaussian shape pe... November 05, 2018, 04:14:26 AM
Hi,it looks like you are using the new interface and functions (aka XCMS3) - groupval is not available for the new result obj... XCMS Re: How to export XCM... October 26, 2018, 02:54:31 AM
Just to update: we've added the function to the xcms codebase. It will be officially available with the next Bioconductor rel... XCMS Re: replacement for g... October 25, 2018, 05:41:41 AM
For now you can use the function below (just copy-paste into R). I will add it also to xcms and update the vignette to descri... XCMS Re: replacement for g... October 24, 2018, 05:48:23 AM

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Postdoctoral position... Job opportunities October 24, 2018, 05:08:31 AM

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