normalize: Normalize a vector
Description
Normalize a vector by subtracting off central point and dividing by range
Usage
normalize(vec, shift = NULL, lower = NULL, upper = NULL)
Arguments
- vec
vector of values
- shift
optional central point (if not provided, uses the mean of vec
)
- lower
optional lower end point of range (if not provided uses min of vec
)
- upper
optional upper end point of range (if not provided uses max of vec
)