when is a forecast wrong when seasonality is included in a weekly and yearly cycle? when seasonality is wrong how many seasonality cycles per annual period how many seasonalities are in a year what is seasonality data how many weeks are in a year what is wrong in seasonality what is the difference between seasonality and annual seasonality in a year what data does seasonality include how many seasons are there in a seasonality what is the seasonality of the data seasonality definition how many seasonal cycles in a year what data is seasonality how many monthly seasons when calculating seasonality for a year, what should be considered when the seasonality is weekly the average seasonality is does weekly seasonality always work when are seasonal data wrong if annual seasonality is seasonal it is weekly?