IPO

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Determining the number of xcms runs and DoEs for an optimization run

1

I read in issue #39 that for the optimization of three parameters, xcms is called 17 times in each DoE. How is the number of xcms runs calculated according to...

etrh

stop worker failed, Error in serialize, error writing to connection

1

I have used `IPO` before, but this is the first time I am seeing this error. I have 26 files in `data` and the machine I am working on has...

etrh

IPO optimized parameter showed peak data insertion problem

2

Hi @rietho and @sneumann , I optimized xcms parameters using QC files (40 files) that represented run across the 1000 samples. I used the optimized parameters to preprocess data using...

Titan100

ways to improve IPO performance

5

Hi, I'm running IPO on 79 samples from an Dionex UltiMate 3000 UPLC with Thermo Scientific QExactive Orbitrap MS instrument. Here are my IPO parameter settings; unlisted parameters are same...

blueskypie

Design: return vales of optimizeXcmsSet() and optimizeRetGroup()

1

Hi, optimizeXcmsSet$best_settings does include an $xset, while optimizeRetGroup$best_settings does not. I think the two should be consistent, or was there a reason ? Yours, Steffen

sneumann

Can parameters obtained from IPO's grouping optimization be used in both the alignment and grouping steps using PeakGroupsParam during alignment?

2

Can the parameters optimized by IPO for peak grouping be used for both the alignment and grouping steps? I don't want to use the IPO-optimized orbiwarp results, but it seems...

YUANMENG-1