spline_fill {dateutils}

Spline fill missing observations

Description

Spline fill missing observations from the first observation to the last, leaving NA observations in the head and tail

Usage

spline_fill(x)

Arguments

x

data with missing observations

Value

data with interpolated missing observations, except at head and tail, which remain NA

Examples

spline_fill_trend(c(NA,1,2,3,NA,5)) ## NA 1 2 3 4 5