Edzer,
Am 09.02.2012 17:58, schrieb Edzer Pebesma:
On 02/09/2012 05:02 PM, Etienne B. Racine wrote:
It seems that sampleRandom isn't so random.
# try this :
library(raster)
r<- raster(matrix(1:25, 5, 5))
sampleRandom(r, 25)
## 1 6 11 16 21 2 7 12 17 22 3 8 13 18 23 4 9 14 19 24 5 10 15
sampleRandom(r, 25)
## 1 6 11 16 21 2 7 12 17 22 3 8 13 18 23 4 9 14 19 24 5 10 15
I haven't seen any documentation about this behavior.
Isn't the more important question whether you saw documentation that is
in conflict with this behaviour?
taking that to the extremes: undocumented software always works perfectly.
(By the way I've heard that's the way ESRI did it with their
"Geostatistical Analyst")
Sorry for missing the topic of the thread.
Tom
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