load_data | R Documentation |
Load metabolite data from three separate files (import files using 'fread' from data.table).
load_data(
data_path = NULL,
feature_path = NULL,
sample_path = NULL,
featureID = "CHEM_ID",
sampleID = "PARENT_SAMPLE_NAME"
)
data_path |
Path to the metabolite measurements (peak area data or normalized data, sample [row] * feature [column]) |
feature_path |
Path to the metabolite annotation (chemical annotation) |
sample_path |
Path to the sample annotation (sample meta data) |
featureID |
a character of the metabolite ID column (in feature file and the column names of data file), default: CHEM_ID (provided from Metabolon file) |
sampleID |
a character of the sample ID column (in sample file and the first column of data file), default: PARENT_SAMPLE_NAME (provided from Metabolon file). |
A Metabolite object with slots: assayData, featureData, and sampleData.
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