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Fill NA values at edges

Source: R/utils-na.R
fillEdgeNA.Rd

Fills NA values at the beginning and end of a signal that may result from filtering operations.

Usage

fillEdgeNA(x, method = c("extend", "zero"))

Arguments

x

Numeric vector.

method

Fill method: "extend" (extend nearest valid value) or "zero" (fill with zeros).

Value

Vector with edge NA values filled.

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

handleNA for general NA handling strategies, replaceNA for NA handling in PhysioExperiment assays

Examples

x <- c(NA, NA, 1, 2, 3, NA, NA)
fillEdgeNA(x, method = "extend")
#> [1] 1 1 1 2 3 3 3