remove_samples_by_na_metadata: Remove samples by NA metadata

In specmine: Metabolomics and Spectral Data Analysis and Mining

Remove samples by NA metadata

Description

Removes samples with NA in a given metadata variable.

Usage

remove_samples_by_na_metadata(dataset, metadata.var)

Arguments

dataset	Dataset to modify.
metadata.var	Metadata variable name.

Value

A dataset object with the same structure as the input, where samples with missing values in the selected metadata variable have been removed.

Examples

data <- matrix(
  1:9,
  nrow = 3,
  dimnames = list(c("x1", "x2", "x3"), c("s1", "s2", "s3"))
)
metadata <- data.frame(
  class = c("A", NA, "B"),
  row.names = c("s1", "s2", "s3")
)
dataset <- list(data = data, metadata = metadata)
remove_samples_by_na_metadata(dataset, "class")

specmine documentation built on Aug. 5, 2026, 5:06 p.m.