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arxiv-database
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维护者 FreedomIntelligence · 最近更新 2026年4月1日
bio-workflows-metabolomics-pipeline:LC-MS/GC-MS:preprocessing → annotation → 统计分析。
原始来源
https://github.com/FreedomIntelligence/OpenClaw-Medical-Skills/tree/main/skills/bio-workflows-metabolomics-pipeline
技能摘要
原始文档
library(xcms)
library(MSnbase)
library(MetaboAnalystR)
library(ggplot2)
## === 2. PEAK DETECTION ===
cwp <- CentWaveParam(
peakwidth = c(5, 30),
ppm = 25,
snthresh = 10,
prefilter = c(3, 1000),
mzdiff = 0.01,
noise = 1000
)
xdata <- findChromPeaks(raw_data, param = cwp)
cat('Detected', nrow(chromPeaks(xdata)), 'peaks\n')
## === 3. RETENTION TIME ALIGNMENT ===
xdata <- adjustRtime(xdata, param = ObiwarpParam(binSize = 0.6))
cat('Aligned retention times\n')
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