when is transport weekend what is the missing weekend value why does transport volume change weekend what causes a missing weekend why are transit values missing weekends in transport model which weekend transport model is missing why transportation is missing weekends which of the following are missing weekends in transportation modeling? when does the weekend transportation model show up? can weekends influence transport volume? what is the seasonal pattern when does transportation forecasting go wrong which of the following is a seasonal pattern? does weekend transport influence shipping are weekends in transport models when is transport volume missing which transport volume is missing when do weekends occur when are the weekends in transportation