subset_by_samples_and_xvalues: Subset by samples and x-values

In specmine: Metabolomics and Spectral Data Analysis and Mining

Description

Gets a subset of specific samples and x-values.

Usage

subset_by_samples_and_xvalues(dataset, samples, variables = NULL, 
by.index = FALSE, variable.bounds = NULL, rebuild.factors = TRUE)

Arguments

dataset	list representing the dataset from a metabolomics experiment.
samples	vector with indexes or names of the samples to select
variables	vector with the desired variables to get from the dataset.
by.index	if TRUE, the values of the variables argument are indexes.
variable.bounds	variable bounds used if by.index is FALSE and variables are NULL.
rebuild.factors	if TRUE the metadata factors are rebuilded.

Value

Returns the dataset with the selected samples and x-values.

Examples

  ## Example of subsetting samples and x-values
  library(specmine.datasets)
  data(cachexia)
  subset = subset_by_samples_and_xvalues(cachexia, c("PIF_178","NETL_022_V1"), 
	   variables = c("Creatine","Serine"))

specmine documentation built on Sept. 21, 2021, 5:06 p.m.