Struct MedianMa 

pub struct MedianMa { /* private fields */ }

Median Moving Average — the rolling median of the last period inputs.

For an odd period the output is the middle order statistic of the window; for an even period it is the average of the two central values. Because it is a rank statistic rather than a sum, the median MA is far more robust to single outliers than the Sma: a lone spike shifts the rank by at most one position instead of dragging the whole average.

Each update slides the window and computes the median by sorting a copy of the period buffered values — O(period · log period) per step, with the period fixed and bounded.

Example

use wickra_core::{Indicator, MedianMa};

let mut indicator = MedianMa::new(5).unwrap();
let mut last = None;
for i in 0..80 {
    last = indicator.update(100.0 + f64::from(i));
}
assert!(last.is_some());

Implementations

impl MedianMa

pub fn new(period: usize) -> Result<Self>

Construct a new median moving average over period inputs.

Errors

Returns Error::PeriodZero if period == 0.

pub const fn period(&self) -> usize

Configured period.

pub fn value(&self) -> Option<f64>

Current value if the window is full.

Trait Implementations

impl Clone for MedianMa

fn clone(&self) -> MedianMa

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MedianMa

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Indicator for MedianMa

type Input = f64

Type of one input data point (typically f64 for a price, or Candle / Tick).

type Output = f64

Type of one output value.

fn update(&mut self, input: f64) -> Option<f64>

Feed one new data point into the indicator and return the freshly computed output, or None if the indicator is still warming up.

fn reset(&mut self)

Reset all internal state, leaving the indicator equivalent to a freshly constructed instance with the same parameters.

fn warmup_period(&self) -> usize

Number of inputs required before the first non-None output can be produced.

fn is_ready(&self) -> bool

Whether the indicator has emitted at least one value since the last reset.

fn name(&self) -> &'static str

Stable, human-readable indicator name. Used by chaining and diagnostics.