Appendix G

Glossary

area probability sample a sample generated by dividing a geographic
area into a number of smaller areas and then
sampling from a subset of these areas
coverage error bias resulting from the omission of units from
the sampling frame
end use a specific activity that requires energy (for example,
space heating or refrigeration)
Energy Star certification a joint program of the U.S. Environmental
Protection Agency and the U.S. Department
of Energy that certifies energy-efficient products
geocoding the process of appending geographic identifiers
(codes or coordinates) to an address
hot deck imputation a method for handling missing data by filling in
a missing value with a response from another
case within the same data set


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Appendix G Glossary area probability sample a sample generated by dividing a geographic area into a number of smaller areas and then sampling from a subset of these areas coverage error bias resulting from the omission of units from the sampling frame end use a specific activity that requires energy (for ex- ample, space heating or refrigeration) Energy Star certification a joint program of the U.S. Environmen- tal Protection Agency and the U.S. Depart- ment of Energy that certifies energy-efficient products geocoding the process of appending geographic identifiers (codes or coordinates) to an address hot deck imputation a method for handling missing data by filling in a missing value with a response from another case within the same data set 123

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124 EFFECTIVE TRACKING OF BUILDING ENERGY USE LEED certification a b uilding certification system p roviding verification that a building was designed and built according to a set of “green” standards list sample a sample generated from a sampling frame that exists in a list form (such as a list of housing unit addresses) multistage sampling a sampling process involving several stages, in which units at each subsequent stage (for example, households) are subsampled from previously selected larger units (for example, city blocks or neighborhoods) sampling frame the set of units from which the sample is selected sampling units the individual units selected from the sampling frame show card an interviewing aid consisting of a paper ver- sion of answer options or definitions associated with questionnaire items and used during an in-person interview when the questions are read to the respondent and may be too dif- ficult to understand or remember without a visual aid (also referred to as hand cards or flash cards) smart meter electric meter that transmits electricity con- sumption data to the utility and typically en- ables a consumer to see a detailed breakdown of the electricity usage information collected by the meter stratified sample a sampling technique that involves dividing the sampling frame into distinct subgroups of similar units and then selecting a separate sample from each of the subgroups