| CombinationGeneratorCallback-class {Combinations} | R Documentation |
This function type extends CallbackFunction-class
and is used to specify
This class acts as a form of stronger type checking than simply
allowing functions or CallbackFunction-class objects.
Objects can be created by calls of the form new("CombinationGeneratorCallback", ...).
.Data:
Class "CallbackFunction", directly.
Class "function", by class "CallbackFunction".
Class "OptionalFunction", by class "CallbackFunction".
Class "PossibleMethod", by class "CallbackFunction".
No methods defined with class "CombinationGeneratorCallback" in the signature.
Duncan Temple Lang <duncan@wald.ucdavis.edu>
S4 classes and methods.
CallbackFunction-class
combinations
SampledMean =
function(data) {
function(idx)
mean(data[idx])
}
myData = rnorm(10)
f = SampledMean(myData)
new("CombinationGeneratorCallback", f)
vals = sapply(1:100, function(i) f(sample(1:10, replace = TRUE)))
summary(vals)