preprocessing_expression {mzkit} R Documentation

Normalize matrix sample data

Description

Usage

preprocessing_expression(x,
    sampleinfo = NULL,
    factor = 100000000,
    missing = 0.5);

Arguments

sampleinfo

the sample information for the missing impute. this parameter value could be a file path to the sampleinfo dataframe file, or a dataframe object that contains the required fields for the sample info: + id is the sample id and used for the sample file name association; + name is the sample name and used for the sample name display; + group is the sample group information and used for the missing row data impute and data filter in the processing.

Details

Authors

xieguigang

Value

a result data matrix has been normalized via total sum of the peak area.

Examples


[Package mzkit version 3.2.56.56444 Index]