PINE LIBRARY

TargetExcursionStatsLib

27
Library "TargetExcursionStatsLib"
helper for targetExcursionLib
f_density_new(gridSize, outcomeCap, smoothing, halfLife, familyCode, shrinkageAlpha)
  Construct one independent density state.
  Parameters:
    gridSize (int)
    outcomeCap (float)
    smoothing (float)
    halfLife (float)
    familyCode (int)
    shrinkageAlpha (float)

method advance(state, currentBar)
  Advance all six streams causally to currentBar.
  Namespace types: DensityState
  Parameters:
    state (DensityState)
    currentBar (int)

method observe(state, direction, mae, mfe, resolutionBar)
  Add one resolved, direction-conditioned excursion observation.
MAE and MFE are normalized, nonnegative values frozen by the queue.
  Namespace types: DensityState
  Parameters:
    state (DensityState)
    direction (int)
    mae (float)
    mfe (float)
    resolutionBar (int)

method support(state, direction, isMae)
  Effective sample support for a direction and outcome stream.
  Namespace types: DensityState
  Parameters:
    state (DensityState)
    direction (int)
    isMae (bool)

method directionSupport(state, direction)
  Minimum of current direction's MAE/MFE effective supports.
  Namespace types: DensityState
  Parameters:
    state (DensityState)
    direction (int)

method estimate(state, direction, isMae)
  Quantiles, mode, modal probability and support for one stream.
  Namespace types: DensityState
  Parameters:
    state (DensityState)
    direction (int)
    isMae (bool)

method probabilityAt(state, direction, isMae, value)
  Smoothed probability mass at the bin containing value.
  Namespace types: DensityState
  Parameters:
    state (DensityState)
    direction (int)
    isMae (bool)
    value (float)

Histogram
  Fields:
    bins (array<float>)
    weight (series float)
    weightSq (series float)

DensityState
  Fields:
    pooledMae (Histogram)
    pooledMfe (Histogram)
    longMae (Histogram)
    longMfe (Histogram)
    shortMae (Histogram)
    shortMfe (Histogram)
    gridSize (series int)
    outcomeCap (series float)
    smoothing (series float)
    halfLife (series float)
    familyCode (series int)
    shrinkageAlpha (series float)
    lastDecayBar (series int)
    lastResolvedBar (series int)
    resolvedCount (series int)
    longResolvedCount (series int)
    shortResolvedCount (series int)

DensityEstimate
  Fields:
    q10 (series float)
    q50 (series float)
    q80 (series float)
    q90 (series float)
    mode (series float)
    modeProbability (series float)
    effectiveSupport (series float)

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