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COMMERCIAL AND INSTITUTIONAL BUILDING ENERGY USE SURVEY 2000 (CIBEUS) Detailed Statistical Report, December 2002

A3. Sampling Plan

Given the absence of a complete list of buildings that made up the CIBEUS target population, a two-stage approach was favoured. The first stage was an area sample, in other words, a sample of the regions; in this case, regions corresponded to Enumeration Areas (EAs). A list of all buildings in selected EAs was then created to enable the selection of a sample of buildings, which made up the second stage of sampling. Details of the first and second stages of the sample selection are given in section A3.1.

With this approach, uncommon buildings have little chance of being included in the sample. For that reason, hospitals, colleges, enclosed shopping centres and university buildings were sampled from existing lists. Section A3.2 provides more detail on the lists used, stratification and the sample of uncommon buildings.

A3.1. AREA FRAME

The area frame is a list of all EAs located in the targeted CMAs and CAs and contains the total number of buildings and the number of buildings constructed between 1995 and 1999 in each one. Section A3.1.1 explains how the frame was constructed and gives details on the stratification of the area frame and the size, breakdown and selection of the first-stage sample. Section A3.1.2. provides details for the second-stage sample.

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