attach_metadata: Attach experimental metadata

In ethanbass/chromatographR: Chromatographic Data Analysis Toolset

Attach experimental metadata

Description

Attaches sample metadata to 'peak_table' object. Metadata should be provided as a data.frame object. One of the columns in the supplied metadata must match exactly the row names of the peak table.

Usage

attach_metadata(peak_table, metadata, column)

Arguments

peak_table	A 'peak_table' object.
metadata	A 'data.frame' containing the sample metadata.
column	The name of the column in your metadata object containing the sample names. Sample names must match the row names of peak_table$tab.

Value

A peak_table object with attached metadata in the $sample_meta slot.

Author(s)

Ethan Bass

See Also

get_peaktable normalize_data

Examples

data(pk_tab)
path <- system.file("extdata", "Sa_metadata.csv", package = "chromatographR")
meta <- read.csv(path)
pk_tab <- attach_metadata(peak_table = pk_tab, metadata = meta, column="vial")

ethanbass/chromatographR documentation built on April 17, 2025, 10:55 a.m.