filter_by_cv: Filter features by QC CV

In zhuchcn/Metabase: Data container, handling, and visualization for high through-put quantitative experiment data.

Description

This function deals with the situation where features are detetcted in both positive and negative ESI mode. The qc_cv is used as a reference and the one with a lower cv is kept, and the other one is dropped.

Usage

filter_by_cv(object, cv, cid)

Arguments

object	A MetabolomicsSet-class object
cv	A character string, indicates the column name of feature data, that has the coefficient of variance for each feature.
cid	A character string, indicates the column name of feature data, that has the chemical identifier for each feature. The chemical identifier must be unique to each feature. Some standard chemical identifier are PubMed ID, Lipidmaps ID, etc.

Value

A MetabolomicsSet-class object

Author(s)

Chenghao Zhu

zhuchcn/Metabase documentation built on July 23, 2019, 1:36 p.m.