tframe (version 2007.5-2)

selectSeries: Extract a Subset of Series

Description

Extract a subset of series from a tframed object.

Usage

selectSeries(x, series = seqN(nseries(x)))
    ## S3 method for class 'default':
selectSeries(x, series = seqN(nseries(x)))
    ## S3 method for class 'ts':
selectSeries(x, series = seqN(nseries(x)))

Arguments

x

A tframed object.

series

The subset of series to retain.

Value

• A tframed object.

Details

This is like [ , , drop=FALSE] but retains class, series name and tframe information. It also provides a methods which works with multivariate series which are not matrices (e.g. tfPADIdata).

See Also

seriesNames

Examples

z <- selectSeries(matrix(rnorm(1000), 100,10), series=c(2, 5, 6))