Create a k-lagged time series

Source: R/lagged.r

Helper function to create a lagged version of a vector.

lagged(x, k)

Arguments

x

a vector
k

the lag to use

Value

A lagged version of the vector

Examples

lagged(1:10, 1)

#>  [1] NA  1  2  3  4  5  6  7  8  9
lagged(1:10, -1)

#>  [1]  2  3  4  5  6  7  8  9 10 NA
lagged(1:10, 0)

#>  [1]  1  2  3  4  5  6  7  8  9 10