LJ Index of Public Library Service 2009, Round 2: America's Star Libraries - best libraries - top-rated librariesLibrary Journal: November 15, 2009 by Keith Curry & Ray Lyons
Library Journal's national rating of public libraries, the LJ Index of Public Library Service 2009, Round 2, identifies 258 "star" libraries. Created by Keith Curry Lance and Ray Lyons and based on 2007 data from the IMLS, it rates 7,268 public libraries. The top libraries in each group get five, four, or three stars. All included libraries, stars or not, can use their scores to learn from their peers, expand service to their communities, and improve library awareness and funding. (see Round 1)
The LJ Index divides libraries into categories by operating expenditure to compare like to like. It is about what libraries deliver to their users with the money they have, based on:
Circulation Per Capita
Visits Per Capita
and on 2 statistics that more clearly define libraries’ increasingly crucial role in their communities, especially in these tough economic times:
Program Attendance Per Capita
Public Internet Computer Use Per Capita
Stars by State
There are no libraries on this chart from Delaware, the District of Columbia, Georgia, Hawaii, Kentucky, Louisiana, Mississippi, North Dakota, or Tennessee.
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Tally of Libraries Not Included - 1949
293: Do Not Meet Federal-State Cooperative System [FSCS] definition
234: Total Expenditures Less Than $10,000
670: Population Less Than 1,000
752: 1 or more data Not Reported in 2007
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Outliers and Misbehaving Data in the LJ Index - Hennen's American Public Library Ratings: November 2009
There is a fundamental difference between the LJ Index, now in its second edition, and HAPLR. In the LJ Index, just one of four measures can account for nearly the entire score of a library. In HAPLR, no one of the 15 measures counts for more than 10% of the total score. This article will explore that volatility as well as the use of uncertain data that has resulted in some troubling results for the LJ Index.
http://www.haplr-index.com/outliers_and_misbehaving_data_in.htm
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