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Linear interpolation for a single vector

Source: R/mocap-gaps.R
fillGapsLinear.Rd

Fills NA values in a numeric vector using linear interpolation via approx.

Usage

fillGapsLinear(x)

Arguments

x

Numeric vector potentially containing NAs

Value

Numeric vector with NAs filled by linear interpolation. Leading and trailing NAs (outside the range of valid data) remain as NA.

References

Federolf PA (2013). "A novel approach to solve the 'missing marker problem' in marker-based motion analysis that does not require additional assumptions about the biodynamic model." Journal of Biomechanics, 46(13), 2173-2178.

See also

fillGapsSpline(), fillGaps(), detectGaps()

Examples

x <- c(1, NA, NA, 4, 5, NA, 7)
fillGapsLinear(x)
#> [1] 1 2 3 4 5 6 7