On Oct 19, 2010, at 11:25 AM, Manta wrote:
Dear R users, I have the following script to create bins of
specified time
intervals
bin_end=60/bin_size
bin_size=bin_size*100
h=seq(070000,180000,by=10000)
breaks=c()
for (i in h)
{
for (j in 0:(bin_end-1))
{
value=i+(bin_size)*j
breaks=append(breaks,value)
}
}
I would like to plot then using the time as x-axis. I tried the
following
prova=zoo(myseries,times(breaks))
but of course I got the plot with the time as 80000, 90000, 100000
and so
on. I would like only 08:00, 09:00 and so on (maybe also the half
hours).
How to do it?
You seen to be under the mistaken impression that the internal
representation of DateTime classes of 08:00 would be 80000. Since the
internal representation of time is in seconds, the even number hours
would be at integer multiples of 60*60. In addition the conversion of
numeric to string in this situation may present some need to check for
missing leading "0"'s. You ether need to describe the data situation
more completely or adjust your expectations (or both).
?as.POSIXct
?strptime
--
David.
Thanks for your help,
Marco
--
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David Winsemius, MD
West Hartford, CT
______________________________________________
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