[R] dlogis for large negative numbers

[Dimitris Rizopoulos]

Hi to all,

> dlogis(-2000)
[1] NaN
Warning message: 
NaNs produced in: dlogis(x, location, scale, log) 
> dnorm(-2000)
[1] 0


Is this an expected behaviour of `dlogis()'?

Thanks in advance for any comments,
Dimitris

platform i386-pc-mingw32
arch     i386           
os       mingw32        
system   i386, mingw32  
status                  
major    1              
minor    9.1            
year     2004           
month    06             
day      21             
language R      

----
Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/16/396887
Fax: +32/16/337015
Web: http://www.med.kuleuven.ac.be/biostat/
     http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm