Check for NA values in assay data

Validates assay data for NA values and reports statistics.

Usage

checkNA(x, action = c("warn", "error", "none"))

Arguments

x

A PhysioExperiment object or numeric array.

action

Action to take: "warn" (default), "error", or "none".

Value

Invisibly returns a list with NA statistics.

References

Oostenveld R, Fries P, Maris E, Schoffelen JM (2011). "FieldTrip: Open source software for advanced analysis of MEG, EEG, and invasive electrophysiological data." Computational Intelligence and Neuroscience, 2011, 156869.

See also

hasNA for quick NA presence check, naSummary for per-assay NA statistics, handleNA for NA replacement strategies

Examples

pe <- PhysioExperiment(
  assays = list(raw = matrix(c(1, NA, 3, 4), nrow = 2)),
  samplingRate = 100
)
checkNA(pe)
#> Warning: Data contains 1 NA values (25.00%)