Remove molecules with CV larger that a threshold
filter_by_cv(data, cv.cutoff = 20, measure = "Area")
LipidomicsExperiment object.
CV threshold (numeric). Default is 20
.
Which measure used to calculate CV, usually Area (default).
LipidomicsExperiment object with molecules filtered.
data(data_normalized)
filter_by_cv(data_normalized)
#> class: LipidomicsExperiment
#> dim: 271 56
#> metadata(2): summarized dimnames
#> assays(3): Retention Time Area Background
#> rownames(271): 1 2 ... 277 278
#> rowData names(24): filename Molecule ... total_cs Class
#> colnames(56): S1A S2A ... TQC_11 TQC_12
#> colData names(3): group Diet BileAcid