Topic: Utilities
Topic Description:
Basic R utilities used in many packages and functions, such as date and string manipulations, statistical distributions, geometry of lines and distances. The R package date is required for the two data functions.
File: utilities/distributions.r
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Function: dpois.maxtrunc
Function Description: dpois.maxtrunc
A zero-truncated Poisson distribution with a ceiling (combining dpois.max and dpois.trunc).Function Arguments:
| Argument | Default Value |
|---|---|
| x | |
| lambda | |
| maxx | |
| log | FALSE |
Function Source:
dpois.maxtrunc=function(x,lambda,maxx,log=FALSE)
{
result=dpois.max(x,lambda=lambda,maxx=maxx)/(1-exp(-lambda))
zero=x==0
result[zero]=0
if(log) return(log(result))
else return(result)
}
{
result=dpois.max(x,lambda=lambda,maxx=maxx)/(1-exp(-lambda))
zero=x==0
result[zero]=0
if(log) return(log(result))
else return(result)
}