Grocer Function

NAME

lagts - lag a ts

CALLING SEQUENCE

ts=lagts(arg1[,arg2])

PARAMETERS

Input

Output

DESCRIPTION

Computes x(t-n) for a timeseries x(t).

EXAMPLE

1) y = lagts(x)
2) y = lagts(4,x)
3) y = lagts(-1,x)

In example 1, y is x lagged once.
In example 2, y is x lagged four times.
In example 3, y is x forwarded once.

AUTHOR

Eric Dubois 2002