Seasonal adjustment.
The seas command carries out seasonal adjustment using either the ratio to moving average, or the difference from moving average technique.
EViews also performs Census X11, Census X12, and Census X-13ARIMA-SEATS seasonal adjustment. For details, see
Series::x11,
Series::x12, and
Series::x13.
Syntax
series_name.seas(options) name_adjust [name_fac]
Options
m | Multiplicative (ratio to moving average) method. |
a | Additive (difference from moving average) method. |
prompt | Force the dialog to appear from within a program. |
Examples
sales.seas(m) adj_sales
seasonally adjusts the series SALES using the multiplicative method and saves the adjusted series as ADJ_SALES.
Cross-references
See
“Seasonal Adjustment” for a discussion of seasonal adjustment methods.