fame (version 1.13)

start.tis: Starting and ending time indexes

Description

Return the start or end time index for a tis object.

Usage

## S3 method for class 'tis':
start(x, \dots)
## S3 method for class 'tis':
end(x, \dots)
start(x) <- value

Arguments

x

a tis object

value

desired start attribute

...

ignored

Value

• start.tis returns the start attribute of x, while end.tis returns start(x) + nobs(x) - 1. start(x) <- value returns the series x shifted such that it's starting time is value.

See Also

start,end

Examples

x <- tis(numeric(8), start = c(2001, 1), freq = 4)
start(x)           ## --> ti object representing 2001Q1
start(as.ts(x))    ## --> c(2001, 1)