what is seasonal adjustments? what is the seasonal adjustment procedure when to change seasonal adjustment what is meant by seasonal adjustment what is seasonal adjustment procedure what criteria should seasonal adjustments follow what is the criteria for seasonal adjustment? what is seasonal adjustment procedure what criteria does dsa use for seasonal adjustment when is seasonal adjustment done when should we adjust time series to seasonal what is the seasonal adjustment procedure for time series what is seasonal adjustment when to do seasonal adjustments when do we do a seasonal adjustment what is seasonal adjustment procedure when does seasonal adjustment occur what criteria is seasonal adjustment what is the seasonal adjustment procedure when is seasonal adjustment omitted