Altering the Seasonal Adjustment Option For Producing Seasonally Adjusted Data For the September and October 2001 Release Frequently Asked Questions Was the option that was altered developed specifically to handle the impact of the terrorist attacks?
No. This option is used as a part of standard seasonal adjustment procedures at the Census Bureau but with a more conservative (restrictive) definition of what constitutes an untypical month. For these months, a definition of untypical was used that is customary in statistical practice when there is advance knowledge that the months survey value has a strong potential to be untypical.
Related Questions
- Altering the Seasonal Adjustment Option For Producing Seasonally Adjusted Data For the September and October 2001 Release Frequently Asked Questions Was the option that was altered developed specifically to handle the impact of the terrorist attacks?
- What was the impact of altering the seasonal adjustment option (additive outlier adjustment) for the September 2001 data month?
- What was the impact of altering the seasonal adjustment option for the September and October 2001 data months?