[R] Strange means of numbers drawn from rpois

[Anders Nielsen]

I can add:

Anders


> version; mean(rpois(100000, 15))
         _         
platform Windows   
arch     x86       
os       Win32     
system   x86, Win32
status             
major    0         
minor    90.0      
year     1999      
month    November  
day      22        
language R         
[1] 14.98694




> version; mean(rpois(100000, 15))
         _         
platform Windows   
arch     x86       
os       Win32     
system   x86, Win32
status   Patched   
major    0         
minor    99.0      
year     2000      
month    February  
day      9         
language R         
[1] 14.99506



> version; mean(rpois(100000, 15))
         _         
platform Windows   
arch     x86       
os       Win32     
system   x86, Win32
status             
major    1         
minor    0.0       
year     2000      
month    February  
day      29        
language R         
[1] 14.99713


> version; mean(rpois(100000, 15))
         _         
platform Windows   
arch     x86       
os       Win32     
system   x86, Win32
status             
major    1         
minor    1.0       
year     2000      
month    June      
day      15        
language R         
[1] 14.48548



> version; mean(rpois(100000, 15))
         _         
platform Windows   
arch     x86       
os       Win32     
system   x86, Win32
status             
major    1         
minor    1.1       
year     2000      
month    August    
day      15        
language R         
[1] 14.50388



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