Institute of Statistical Science, Academia Sinica 時 間 2015/01/12 11:00 星期一 地 點 中研院-統計所 2F 交誼廳 備 註 茶 會：上午10：40統計所二樓交誼廳 Time series can often be naturally disaggregated in a hierarchical or grouped structure. For example, a manufacturing company can disaggregate total demand for their products by country of sale, retail outlet, product type, package size, and so on. As a result, there can be millions of individual time series to forecast at the most disaggregated level, plus additional series to forecast at higher levels of …