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New Private Housing Units Authorized by Building Permits for Iowa (IABPPRIVSA)

Observation:

Oct 2018: 1,171.2  
Updated: Nov 28, 2018

Units:

Units,
Seasonally Adjusted

Frequency:

Monthly
1Y | 5Y | 10Y | Max
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NOTES

Source: U.S. Bureau of the Census  

Release: Housing Units Authorized By Building Permits  

Units:  Units, Seasonally Adjusted

Frequency:  Monthly

Notes:

The data services of the Federal Reserve Bank of St. Louis include series that are seasonally adjusted. To make these adjustments, we use the X-12 Procedure of SAS to remove the seasonal component of the series so that non-seasonal trends can be analyzed. This procedure is based on the U.S. Bureau of the Census X-12-ARIMA Seasonal Adjustment Program. More information on this program can be found at http://www.census.gov/srd/www/x12a/.
The seasonal moving average function used is that of the Census Bureau's X-11-ARIMA program. This includes a 3x3 moving average for the initial seasonal factors and a 3x5 moving average to calculate the final seasonal factors. The D11 function is also used to output the entire seasonally adjusted series that is displayed. For specific information on the SAS X-12 procedure, please visit their website: http://support.sas.com/documentation/cdl/en/etsug/60372/HTML/default/viewer.htm#etsug_x12_sect001.htm.

Some seasonally adjusted series may exhibit negative values because they are created from a seasonal adjustment process regardless of the actual meaning or interpretation of the given indicator.

Suggested Citation:

U.S. Bureau of the Census, New Private Housing Units Authorized by Building Permits for Iowa [IABPPRIVSA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/IABPPRIVSA, December 14, 2018.

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