On 14/03/11 16:00, David Winsemius wrote:
On Mar 14, 2011, at 6:36 AM, Allan Engelhardt wrote:
On 14/03/11 02:00, Raoni Rosa Rodrigues wrote:
[...]
I'm working in a project with a software that register date and time
data in serial time format. This format is used by excel, for
exemple. In this format, 40597.3911423958 is 2011/2/23 09:23:15.
Not on my system,
Because ... There is a reasonably well understood MS bug in how it
handles the non-existent 1900-02-29. (It _still_ accepts that as a
valid date and calls it 60. I just re-demonstrated this amazingly
persistent bug behavior on the Mac Excel 2011 variant. )
Amazing. Just say 'no' to Excel :-)
http://finzi.psych.upenn.edu/R/library/cxxPack/html/serialNumber.html
Unfortunately, cxxPack has not compiled for a while because of a
RcppDate issue:
http://cran.r-project.org/web/checks/check_results_cxxPack.html . But
the description is still funny. Thanks.
Allan
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