lead.lag {fts} | R Documentation |
Shift an Fts ojbect in time
Description
Shift an Fts ojbect forward or backwards in time be the supplied number of periods
Usage
## S3 method for class 'fts'
lead(x, k, ...)
## S3 method for class 'fts'
lag(x, k, ...)
Arguments
x |
An Fts object |
k |
number of periods to shift |
... |
further arguments to function |
Details
removed elements are replaced with NA
Value
an Fts object
Author(s)
Whit Armstrong
Examples
x <- fts(index=seq(from=Sys.Date(),by="days",length.out=10),data=1:10)
print(x)
lag(x,1)
lead(x,1)
[Package fts version 0.9.9.2 Index]