Last data update: 2014.03.03
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R: Shift an Fts ojbect in time
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
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k |
number of periods to shift
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... |
further arguments to function
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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)
Results
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