Double normal ogive

# S4 method for FLQuant,FLPar
dnormal(age, params, ...)

Arguments

age

FLQuant or FLCohort

params

FLPar with parameters a1 age at maximum, sl SD for lefthand limb and sr SD for righthand limb.

...

any other arguments

Value

Returns an object of same class as age e.g. FLQuant

See also

sigmoid, dnormal, logistic

Examples

if (FALSE) {
params=FLPar(a1=4,sl=2,sr=5000)
dnormal(FLQuant(1:10,dimnames=list(age=1:10)),params)
}