Detect amplitude modulation in seasonal time series using Hilbert transform

Detect amplitude modulation in seasonal time series using Hilbert transform

Usage

seasonal_detect_amplitude_modulation(
  data,
  argvals,
  period,
  modulation_threshold,
  seasonality_threshold
)

Arguments

data

Matrix of functional data (n x m)

argvals

Vector of evaluation points (length m)

period

Seasonal period in argvals units

modulation_threshold

CV threshold for detecting modulation (default: 0.15)

seasonality_threshold

Strength threshold for seasonality (default: 0.3)

Value

List with detection results