extract_metadata: Extract metadata

In chromConverter: Chromatographic File Converter

Extract metadata

Description

Extract metadata as a data.frame or tibble from a list of chromatograms.

Usage

extract_metadata(
  chrom_list,
  what = c("instrument", "detector", "detector_id", "software", "method", "batch",
    "operator", "run_datetime", "sample_name", "sample_id", "injection_volume",
    "time_range", "time_interval", "time_unit", "detector_range", "detector_y_unit",
    "detector_x_unit", "intensity_multiplier", "scaled", "source_file",
    "source_file_format", "source_sha1", "data_format", "parser", "format_out"),
  format_out = c("data.frame", "data.table", "tibble")
)

Arguments

chrom_list	A list of chromatograms with attached metadata (as returned by read_chroms with read_metadata = TRUE).
what	A character vector specifying the metadata elements to extract.
format_out	Format of object. Either data.frame, tibble, or data.table.

Value

A data.frame, tibble, or data.table (according to the value of format_out), with samples as rows and the specified metadata elements as columns.

chromConverter documentation built on April 3, 2025, 8:53 p.m.