Function deviation

deviation(iterable): number | undefined
Compute the standard deviation, defined as the square root of the bias-corrected variance, of the given array of numbers.
Parameters
- iterable: Iterable<Numeric>
Returns number | undefined
deviation<T>(iterable, accessor): number | undefined
Compute the standard deviation, defined as the square root of the bias-corrected variance, of the given array, using the given accessor to convert values to numbers.
Type Parameters
- T
Parameters
- iterable: Iterable<T>
- accessor: ((datum, index, array) => number)
  - - (datum, index, array): number
    - Parameters
      datum: T
      index: number
      array: Iterable<T>
      Returns number
Returns number | undefined