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Gjerdrum CTT data 2010

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For background information about this traffic study see:

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http://pliny.wordpress.com/2010/07/19/pl-4710/

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The study covers one full weekly cycle at the library (Mon, Tue, Wed, Th, Sat) in May 2010.

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Data were collected by a second year library student as part of his five week practicum period.

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The data set only includes the most basic variables: duration, group visits, age, sex and ethnicity (Norwegian, immigrant).

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Groups (arriving together) are identified by capital letters: A, B, C, ..

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Age is based on four broad categories: children (b); youth (u); adults (v) and seniors (s).

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Sex is coded with m for male (mann) and k for female (kvinne)

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Ethnicity is a rough estimate - but this is a small library where the staff tends to know every regular visitor personally.