Public Libraries' Print Materials, total volume vs. per capita, 2007

Description: 
This demo demonstrates a quick mashup on public libraries collections data from Public Libraries Survey Fiscal Year 2007
Contributor:
It compares the total library collection volume (referred as "books") with the number divided by non-duplicated population of legal service area at state level.




Source data series:

State Summary/State Characteristics Data File(pusum07.txt).

Variables used:

BKVOL:
Print materials (including books, serial back files, and government documents)
POPU_UND:
Unduplicated population of the legal service area for the library. This value is calculated by prorating the library's population of legal service area (POPU_LSA) to the state's total population of legal service areas (total POPU_LSA), and applying the ratio to the state-reported total unduplicated population of legal service areas. The latter item, a single figure reported by the state data coordinator, is also named POPU_UND but is located on the State Summary/State Characteristics Data File.
Source: Public Libraries Survey: Fiscal Year 2007, Data Dictionary
per capita = BKVOL / POPU_UND .
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