I keep the following function handy so that I can change the numeric
value from POSIXct back to POSIXct; I tend to keep the numeric in
matrices since it allows faster operations in some cases. This just
puts the appropriate classes on the object; quicker than using
as.POSIXct(z, origin="1970-01-01
Thanks David and Janis,
now the result is logic!
have a nice WE,
Cristabel.
On 07/29/2011 06:32 PM, David Winsemius wrote:
On Jul 29, 2011, at 12:21 PM, cristabel.duran wrote:
Hi Janis,
thank you for you answer.
Actually already I did exactly what you said. However, when I convert
the num
On Jul 29, 2011, at 12:21 PM, cristabel.duran wrote:
Hi Janis,
thank you for you answer.
Actually already I did exactly what you said. However, when I
convert the number of "seconds" from the first measurement (some day
in July 2010) then a I get a date in the year 2050 which is
impossib
Hi Janis,
thank you for you answer.
Actually already I did exactly what you said. However, when I convert
the number of "seconds" from the first measurement (some day in July
2010) then a I get a date in the year 2050 which is impossible. The
latest date possible is 29March2011.
my value in
Well,if you would have had a look at ?POSIXct the documentation would
have given
you quite a comprehensive explanation of the meaning of the values of
your time vector as they are the values these POSIXct values are
actually stored in (they are seconds since 1970-01-01). Additionally you
would
Dear R-list,
I have a plot with y-axis corresponding to wind measurments
and x-axis with date-time information.
When I want to identify some extrem wind events in the
wind-curve, I use locator() to get the exact
date-information, by clicking in the points in graph I´m
interested in.
I get in the R
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