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velocity
2012 Oct 01
3
merge.zoo returns unmatched dates
...nusual is that some dates in the new merged data set are prior to the original data set. I've attempted bellow to show what this looks like, and I hope someone has a suggestion as to what may be causing the problem.
Here is one set of data in data.frame format
head(Vup)
Date Velocity_m/s
1 2010-01-21 07:42:00 1.217943
2 2010-01-21 07:43:00 1.624395
3 2010-01-21 07:44:00 1.526379
4 2010-01-21 07:45:00 1.456831
5 2010-01-21 07:46:00 1.245390
6 2010-01-21 07:47:00 1.374330
str(Vup)
'data.frame': 7168 obs. of 2 variables:
$ Date : POSIXct,...