32 lines
739 B
Plaintext
32 lines
739 B
Plaintext
|
|
{{alias}}()
|
|
Returns an accumulator function which incrementally computes an arithmetic
|
|
mean of absolute values.
|
|
|
|
If provided a value, the accumulator function returns an updated mean. If
|
|
not provided a value, the accumulator function returns the current mean.
|
|
|
|
If provided `NaN` or a value which, when used in computations, results in
|
|
`NaN`, the accumulated value is `NaN` for all future invocations.
|
|
|
|
Returns
|
|
-------
|
|
acc: Function
|
|
Accumulator function.
|
|
|
|
Examples
|
|
--------
|
|
> var accumulator = {{alias}}();
|
|
> var mu = accumulator()
|
|
null
|
|
> mu = accumulator( 2.0 )
|
|
2.0
|
|
> mu = accumulator( -5.0 )
|
|
3.5
|
|
> mu = accumulator()
|
|
3.5
|
|
|
|
See Also
|
|
--------
|
|
|