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2010 May 07
0
timeSeries and optional S4 slots?
Question on timeSeries and S4 classes:
Consider the following:
library(timeSeries)
data <- rnorm(5)
treg <- ts(data, frequency=4)
t1 <- timeSeries(data, as.Date('2010-04-15') + 1:5)
t2 <- as.timeSeries(treg)
Now both t1 and t2 are timeSeries objects, yet
t2 at ts is a valid slot, while t1 at ts is not.
Thus the ts slot is optional.
Sorry if I am misunderstanding the way S4 classes...