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: dmixnorm
Function Description: dmixnorm
Mixed normal distribution. The parameter f is the probability of following the first, with mean1 and sd1; 1-f is the probability for the second normalFunction Arguments:
| Argument | Default Value |
|---|---|
| x | |
| mean1 | |
| mean2 | |
| sd1 | |
| sd2 | |
| f | |
| log | FALSE |
Function Source:
dmixnorm=function(x,mean1,mean2,sd1,sd2,f,log=FALSE)
{
y1=dnorm(x,mean=mean1,sd=sd1)
y2=dnorm(x,mean=mean2,sd=sd2)
result=f*y1+(1-f)*y2
if(log) return(log(result))
else return(result)
}
{
y1=dnorm(x,mean=mean1,sd=sd1)
y2=dnorm(x,mean=mean2,sd=sd2)
result=f*y1+(1-f)*y2
if(log) return(log(result))
else return(result)
}