[R] Chron object in time series plot

[Manta]

Ok, so you may be right, but I do not understand why ;)

The commands you suggested are applied to temp_plot, where temp_plot is a
'zoo' object as follows (there is actually something strange in here, if I
just want to see the whole object I do not get the warning message that I
got when selecting a sample):

temp_plot[1:10]
2008-01-02 2008-01-03 2008-01-04 2008-01-07 2008-01-08 2008-01-09 2008-01-10 
     48608      46686      55216      59268      50967      55067      57783 
2008-01-11 2008-01-14 2008-01-15 
     60021      61480      63853 
Warning message:
In zoo(rval[i], x.index[i]) :
  some methods for “zoo” objects do not work if the index entries in
‘order.by’ are not unique

First command:

> temp_plot[duplicated(time(temp_plot))] 
Data:
numeric(0)

Index:
character(0)
Warning message:
In zoo(rval[i], x.index[i]) :
  some methods for “zoo” objects do not work if the index entries in
‘order.by’ are not unique

Second command

table(time(temp_plot))

, , hour = 0, mday = 23, mon = 7, year = 110, wday = 2, yday = 1, isdst = 0

   min
sec 0
  0 0

, , hour = 0, mday = 24, mon = 7, year = 110, wday = 2, yday = 1, isdst = 0

   min
sec 0
  0 0

, , hour = 0, mday = 25, mon = 7, year = 110, wday = 2, yday = 1, isdst = 0

   min
sec 0
  0 0

Third command:

aggregate(temp_plot,identity,length) 
Error: length(time(x)) == length(by[[1]]) is not TRUE

Well, I believe there is something indeed going on here! If I understood
correctly, the second command tells me that is not able to recognize in the
correct way the year (and most likely all the rest) while the third
indicates a mismatch in the dimensions.

Marco
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