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)
is.rts()
is.ts()
is.tseries()
is.tseries(x)
a boolean value
an object
Philippe Grosjean (phgrosjean@sciviews.org), Frédéric Ibanez (ibanez@obs-vlfr.fr)
tseries
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
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