The following features have been added to the X12 procedure :
The ALPHA= option has been added as a general option to the FORECAST statement. The ALPHA= option specifies the size of forecast confidence limits.
The ALMOST= option has been added as a general option to the OUTLIER statement. The ALMOST= option specifies the difference in critical values for almost outliers.
The ALPHA= option has been added as a general option to the OUTLIER statement. The ALPHA= option specifies the alpha value for outlier detection.
The CVMETHOD= option has been added as a general option to the OUTLIER statement. The CVMETHOD= option specifies the method of calculating the critical value for outlier detection based on the alpha value and the number of observations in the span that is used for analysis.
The LSRUN= option has been added as a general option to the OUTLIER statement. The LSRUN= option specifies the number of level-shift outliers to consider for forming a temporary level-shift. The evaluation of the temporary level-shifts is displayed in the "Tests for Cancellation of Level Shifts" table.
The METHOD= option has been added as a general option to the OUTLIER statement. The METHOD= option specifies the method of adding outliers at each iteration of model estimation.
The TCRATE= option has been added as a general option to the OUTLIER statement. The TCRATE= option specifies the rate of decay for temporary change outliers.
The SEASONALMA= option in the X11 statement now supports (filter-list-by-period), where (filter-list-by-period) lists the moving average filter for each period.