Dear all, when I put date objects (class of 'Date') in a matrix it becomes
numeric:
> dat <- matrix(seq(as.Date("2011-01-01"), as.Date("2011-01-09"), by="1
day"), 3)
> dat
[,1] [,2] [,3]
[1,] 14975 14978 14981
[2,] 14976 14979 14982
[3,] 14977 14980 14983
> class(dat[1,1])
[1] "numeric"
As it could not preserve the 'Date' characteristics after putting my Date
observations, I find it difficult to carry forward further calculation with
Dates. Can somebody help me on how to preserve the Data properties while
storing them within some matrix?
Thanks
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