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: logistic.sum.squares
Function Description: logistic.sum.squares
Sets a prediction based on a generalized logistic, then returns the sum of squared deviationsFunction Arguments:
| Argument | Default Value |
|---|---|
| param | |
| x | |
| obs |
Function Source:
logistic.sum.squares=function(param,x,obs)
{
pred=gen.logistic(x,param)
if(length(which(pred<1e-5))>0) pred=rep(0,length(x))
return(sum((obs-pred)^2))
}
{
pred=gen.logistic(x,param)
if(length(which(pred<1e-5))>0) pred=rep(0,length(x))
return(sum((obs-pred)^2))
}