makeVec: makeVec for checking or creating vectors
Description
This is a convenience for handling function arguments. If x is a
single value, it makes a vector of length d in which all values
are equal to x. If x is a vector, check that its length is d.
Usage
makeVec(x = NULL, d = NULL)
Value
A vector of length d
Arguments
- x
A single value or a vector
- d
An integer, the desired size of the vector