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Home > Statistics > Outline of Statistics and Statistical Release Schedule > Notices of Changes and Corrections 2007 > Seasonal Adjustment for Monetary Base Data
February 2, 2007
Bank of Japan
The Bank of Japan has revised the seasonally adjusted Monetary Base Data.
Having obtained the data for the whole year 2006, we have reselected the most suitable ARIMA models applied for individual series.
Information on the seasonal adjustment is as follows.
The models adopted for each indicator are shown below:
|Indicator||Model1||Level shift and Ramp||Trading-day adjustment||Beginning of series|
|Monetary Base (average amounts outstanding, reserve requirement rate change unadjusted)||(110)(011)12||(a) and (b)||None||Jan. 1970|
|Monetary Base (average amounts outstanding, reserve requirement rate change adjusted)||(110)(011)12||Nov. 1986, Apr. 2003 and (b)||None||Jan. 1970|