code: func (m *HoltWintersMovAvgModel) Settings() map[string]interface{} {
  	settings := make(map[string]interface{})
  	if m.alpha != nil {
  		settings["alpha"] = *m.alpha
  	}
  	if m.beta != nil {
  		settings["beta"] = *m.beta
  	}
  	if m.gamma != nil {
  		settings["gamma"] = *m.gamma
  	}
  	if m.period != nil {
  		settings["period"] = *m.period
  	}
  	if m.pad != nil {
  		settings["pad"] = *m.pad
  	}
  	if m.seasonalityType != "" {
  		settings["type"] = m.seasonalityType
  	}
  	return settings
  }
docs: // Settings of the model.