Skip to contents

Attach experimental metadata

Source: R/attach_metadata.R
attach_metadata.Rd

Attaches sample metadata to a 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.

See also

get_peaktable normalize_data

Author

Ethan Bass

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")