[R] Basic R timeseries data manipulation

[Benjamin Dickgiesser]

Hi,

suppose I have a time series rt. Why does this code not work?

rt <- data

n <- length(rt) - 2
at <- vector(length = n)

at = rt-(3.75101e-04 + 9.61877e-02 * rt[-1] - 2.48071e-02 * rt[-2])

Thank you,
Benjamin