Attaches sample metadata to a peak_table object by matching sample names. — attach_metadata • chromatographR

Metadata is provided as a data.frame, with one column containing sample identifiers matching the row names of peak_table$tab.

Usage

attach_metadata(peak_table, metadata, column)

Arguments

peak_table: A peak_table object created by get_peaktable.
metadata: A data.frame of sample metadata.
column: Name of the column in metadata containing sample identifiers. Must match the row names of peak_table$tab.

Value

A peak_table object with metadata stored 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")