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 |
LEED certification | a building certification system providing 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 version 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 difficult to understand or remember without a visual aid (also referred to as hand cards or flash cards) |
smart meter | electric meter that transmits electricity consumption data to the utility and typically enables 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 |