Description Usage Arguments Examples
View source: R/norm_by_global.R
Normalizes data based on assumption that on average peptide deviation is zero. The approach is typically used for global shotgun proteomics data. Converts one MSnSet to another MSnSet.
1 | normalizeByGlob(m, method = c("medpolish", "once"))
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m |
ExpresionSet or MSnSet object |
method |
character. "medpolish" - uses median polish algorithm. "once" means just correct for median differences in the samples. Note, doing it just "once" may de-center the features (rows). |
1 2 3 4 | data(srm_msnset)
image_msnset(msnset)
msnset2 <- normalizeByGlob(msnset)
image_msnset(msnset2)
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