apply_by_sample: Apply function to samples
In specmine: Metabolomics and Spectral Data Analysis and Mining

Description Usage Arguments Value Examples

Applies a function to the values of each sample

1	apply_by_sample(dataset, fn.to.apply, samples = NULL, ...)

`dataset`	list representing the dataset from a metabolomics experiment.
`fn.to.apply`	function to apply (e.g. mean, max, min).
`samples`	if defined restricts the application to a given set of samples.
`...`	additional parameters to apply function.

Returns a vector with the samples and the value of the applied function.

     ## Example of applying a function to variables
	 library(specmine.datasets)
     data(cachexia)
     apply.samples.result = apply_by_sample(cachexia, mean)