Shift an Fts ojbect in time

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Description

Shift an Fts ojbect forward or backwards in time be the supplied number of periods

Usage

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## 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

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x <- fts(index=seq(from=Sys.Date(),by="days",length.out=10),data=1:10)
print(x)
lag(x,1)
lead(x,1)