Dear all,
I have a time series of daily measurements that starts like this:
KWhourly[1:10,]
Date Time Value
01/01/13 00:00:00 1.6
01/01/13 01:00:00 1.6
01/01/13 02:00:00 1.6
01/01/13 03:00:00 1.6
01/01/13 04:00:00 1.6
01/01/13 05:00:00 1.6
01/01/13 06:00:00 1.6
01/01/13 07:00:00 1.6
01/01/13 08:00:00 1.6
01/01/13 09:00:00 1.6
I am trying to get average daily, monthly, yearly values using the zoo package.
My series starts at 01/01/13 00:00:00 and ends at 12/31/05 23:00:00
I create the zoo object:
#z <- zoo(KWhourly$Value,chron(KWhourly$Date, KWhourly$Time))
but then z starts at:
start(z)
[1] (01/01/30 00:00:00)
and ends at:
end(z)
[1] (12/31/29 23:00:00)
instead of going from 01/01/13 to 12/31/05
any ideas why this is happening and how to fix it?
I really appreciate your help
Christina K.
Columbia University
ck4...@gmail.com
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