pastecs: is.tseries – R documentation

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is.tseries

Is this object a time series?

Description

This is equivalent to is.rts() in Splus and to is.ts() in R. is.tseries() recognizes both 'rts' and 'ts' objects whatever the environment (Splus or R)

Usage

is.tseries(x)

Arguments

x

an object

Value

a boolean value

Author(s)

Philippe Grosjean (phgrosjean@sciviews.org), Frédéric Ibanez (ibanez@obs-vlfr.fr)

Examples

tser <- ts(sin((1:100)/6*pi)+rnorm(100, sd=0.5), start=c(1998, 4), frequency=12)
is.tseries(tser)      # TRUE
not.a.ts <- c(1,2,3)
is.tseries(not.a.ts)  # FALSE

pastecs

Package for Analysis of Space-Time Ecological Series

v1.3.21

GPL-2

Authors

Philippe Grosjean [aut, cre], Frederic Ibanez [aut], Michele Etienne [ctb]

Initial release