However, the month-on-month figures are not seasonally adjusted and are regarded by analysts as misleading. 不过,月环比数据未经季节性因素调整,分析师们认为具有误导性。
Although the data are not seasonally adjusted, Mr Varian said that prices rose during the same period a year ago. 虽然数据尚未经过季节调整,但瓦里安称,一年之前的同期内,价格是呈现上升趋势的。
But all of our time series with seasonal factors have not been seasonally adjusted. One of the main methods to remove incomparability of seasonal factors is using the index over the same period of last year. 目前我国所有具有季节因素的时间序列均没有进行季节调整,消除季节之间不可比因素的一个主要方法仍是与上年度同期数据进行比较得到的同比指数。