eem_extract: Extract EEM samples

In eemR: Tools for Pre-Processing Emission-Excitation-Matrix (EEM) Fluorescence Data

Description

Extract EEM samples

Usage

eem_extract(eem, sample, keep = FALSE, ignore_case = FALSE,
  verbose = TRUE)

Arguments

eem	An object of class eemlist.
sample	Either numeric of character vector. See details for more information.
keep	logical. If TRUE, the specified sample will be returned. If FALSE, they will be removed.
ignore_case	Logical, should sample name case should be ignored (TRUE) or not (FALSE). Default is FALSE.
verbose	Logical determining if removed/extracted eems should be printed on screen.

Details

sample argument can be either numeric or character vector. If it is numeric, samples at specified index will be removed.

If sample is character, regular expression will be used and all sample names that have a partial or complete match with the expression will be removed. See examples for more details.

Value

An object of class eemlist.

Examples

folder <- system.file("extdata/cary/scans_day_1", package = "eemR")
eems <- eem_read(folder, import_function = "cary")

eems

# Remove first and third samples
eem_extract(eems, c(1, 3))

# Remove everything except first and third samples
eem_extract(eems, c(1, 3), keep = TRUE)

# Remove all samples containing "3" in their names.
eem_extract(eems, "3")

# Remove all samples containing either character "s" or character "2" in their names.
eem_extract(eems, c("s", "2"))

# Remove all samples containing "blank" or "nano"
eem_extract(eems, c("blank", "nano"))

eemR documentation built on June 27, 2019, 5:08 p.m.