On 5 June 2011 at 19:41, Ulrich Staudinger wrote:
| Misunderstanding ...
|
| rowse[1]> options(digits.secs=6)
| Browse[1]> head(tempBs)
| ..1 ..2 ..3 pnlSlice
| 2011-06-03 13:32:24.975 242 99125 1 -75
| 2011-06-03 13:32:55.036 242 99100 -1 -25
| 2011-06-03 13:36:10.490 242 98850 -1 -50
| 2011-06-03 13:36:59.064 242 98775 2 25
| 2011-06-03 13:38:21.795 242 98550 -2 -200
| 2011-06-03 13:40:01.725 242 98825 1 -450
| Browse[1]>
|
|
| that's not what I need. A bit of digging revealed:
|
| Browse[1]> as.double(as.POSIXct("2011-06-03 13:32:24"))
| [1] 1307100744
| Browse[1]>
|
| I would like to get the timestamp instead of a date string ...
| some matrix where the first column contains the timestamp in milliseconds
| since epoch start ...
Just use as.numeric() on your POSIXct object:
R> print( as.numeric( Sys.time() ), digits=20 )
[1] 1307296635.9376249313
R>
Dirk
--
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-- #11 at http://www.gaussfacts.com
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