Discrete Vector tools
discrete creates a discrete vector which is distinct from a
continuous vector, or a factor/ordered vector.
The other function are tools for manipulating descrete vectors.
as.discrete(x, ...) ## Default S3 method: as.discrete(x, ...) discrete(x, levels = sort(unique.default(x), na.last = TRUE), exclude = NA) ## S3 replacement method for class 'discrete' x[...] <- value ## S3 method for class 'discrete' x[..., drop = FALSE] ## S3 method for class 'discrete' x[[i]] is.discrete(x) ## S3 replacement method for class 'discrete' is.na(x) <- value ## S3 replacement method for class 'discrete' length(x) <- value
x |
a vector |
drop |
Should unused levels be dropped. |
exclude |
logical: should |
i |
indexing vector |
levels |
charater: list of individual level values |
value |
index of elements to set to |
... |
arguments to be passed to other functions |
as.discrete converts a vector into a discrete vector.
discrete creates a discrete vector from provided values.
is.discrete tests to see if the vector is a discrete vector.
as.discrete, discrete returns a vector of
discrete type.
is.discrete returan logical TRUE if the vector is of
class discrete other wise it returns FALSE.
Charles Dupont
a <- discrete(1:25) a is.discrete(a) b <- as.discrete(2:4) b
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