Displaying 2 results from an estimated 2 matches for "letn".
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len
2005 Aug 15
4
return unique values from date/time class object
Background:
OS: Linux Mandrake 10.1
release: R 2.0.0
editor: GNU Emacs 21.3.2
front-end: ESS 5.2.3
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Colleagues
I have a wind speed time series with a normal frequency distribution and a
spike in the 5 metres/second bin. The most likely explanation is that the
instrument was returning duplicate values at this speed. To check this, I
want to extract all the unique
2004 Nov 03
3
cut POSIX results in NA - bug?
Dear all
I try to make hourly average by cut() function, which almost works
as *I* expected. What puzled me is that if there is only one item at
the end of your data it results in NA.
Example will explain what I mean
datum<-seq(ISOdate(2004,8,31), ISOdate(2004,9,1), "min")
cut(datum[1370:1381],"hour", labels=F)
[1] 1 1 1 1 1 1 1 1 1 1 1 NA