Data Dictionary: ACS 2007 (1-Year Estimates)
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Data Source: U.S. Census Bureau
Table: B992511. Imputation Of House Heating Fuel [3]
Universe: Occupied housing units
Table Details
B992511. Imputation Of House Heating Fuel
Universe: Occupied housing units
Variable Label
B992511001
B992511002
B992511003
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2007 Summary File: Technical Documentation.
 
Imputation Rates
Missing data for a particular question or item is called item nonresponse. It occurs when a respondent fails to provide an answer to a required item. The ACS also considers invalid answers as item nonresponse. The Census Bureau uses imputation methods that either use rules to determine acceptable answers or use answers from similar housing units or people who provided the item information. One type of imputation, allocation, involves using statistical procedures, such as within-household or nearest neighbor matrices populated by donors, to impute for missing values.
Overall Person Characteristic Imputation Rate
This rate is calculated by adding together the weighted number of allocated items across a set of person characteristics, and dividing by the total weighted number of responses across the same set of characteristics.
Overall Housing Characteristic Imputation Rate
This rate is calculated by adding together the weighted number of allocated items across a set of household and housing unit characteristics, and dividing by the total weighted number of responses across the same set of characteristics. These rates give an overall picture of the rate of item nonresponse for a geographic area.

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2007 Summary File: Technical Documentation.
 
House Heating Fuel
The data on house heating fuel were obtained from Housing Question 13 in the 2007 American Community Survey. The question was asked at occupied housing units. The data show the type of fuel used most to heat the house, apartment, or mobile home.
Utility Gas
This category includes gas piped through underground pipes from a central system to serve the neighborhood.
Bottled, Tank, or LP Gas
This category includes liquid propane gas stored in bottles or tanks that are refilled or exchanged when empty.
Electricity
Electricity is generally supplied by means of above or underground electric power lines.
Fuel Oil, Kerosene, etc.
This category includes fuel oil, kerosene, gasoline, alcohol, and other combustible liquids.
Coal or Coke
This category includes coal or coke that is usually distributed by truck.
This category includes purchased wood, wood cut by household members on their property or elsewhere, driftwood, sawmill or construction scraps, or the like.
Solar Energy
This category includes heat provided by sunlight that is collected, stored, and actively distributed to most of the rooms.
Other Fuel
This category includes all other fuels not specified elsewhere.
No Fuel Used
This category includes units that do not use any fuel or that do not have heating equipment.
Question/Concept History
Since 1996, the American Community Survey questions have remained the same.