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Public Libraries in the US
Analysis of 2001 data
Analyzing Trends
Trends Results

Tables for Public Libraries in the US

Tables Dealing with Trends
Table Name	Comment
Mean Total Staff by Group, 1990-2001	Includes increases in number of staff and percentages by group, 1990-2001.
Mean Total Operating Expenditures by Group, 1990-2001	Includes the nominal dollar value with the estimated constant 1990 dollar and changes in dollars and percents, 1990-2001.
Mean Total Operating Expenditures per capita by Group, 1990-2001--UNDUPLICATED	Includes the nominal dollar value with the estimated constant 1990 dollar and changes in dollars and percents, 1990-2001.
Mean Total Operating Expenditures per capita by Group, 1990-2001--DUPLICATED	Includes the nominal dollar value with the estimated constant 1990 dollar and changes in dollars and percents, 1990-2001.
Mean Staff by 1,000 Population, by Group	Includes the nominal dollar value with the estimated constant 1990 dollar and changes in dollars and percents, 1990-2001.

Tables Dealing with the Characteristics of the Libraries as Seen through Their Data
Table Name	Comment
Upper Quartile and the Lower Three Quartiles PLDF3 Dataset for 2001	Showing the skewed nature of the distribution for this dataset.
Upper Quartile and the Lower Three Quartiles PLDF3 Dataset for 2001 and for "1990" dataset	Table above repeated and compared with the "1990" dataset.
Summary Statistics for TOTSTAFF	Gives a practical example of the effects of skewing as shown in staffing statistics.
The Five Largest Public Libraries, 2001	Illustrates the size of these large libraries
Correlations Between Five Pairs of Variables in PLDF3, 2001	Correlations between the five example variables
Correlations Between Pairs of PLDF3 and "1990" Variables, 2001	Repeats table above with the "1990" dataset with span='A' for comparison
BEA Regions	A list of the states in each of these regions
Summary Library Data for BEA regions	Mean and median of the five example variables for the BEA regions.
Summary State Library Data for 2001 Public Libraries	Mean and median of the five example variables like that for the BEA regions but for each of the states.
Basic Descriptive Statistics, PLDF3 Dataset, 2001 Data	Skewness, kurtosis, mean, 3rd quartile, and median of PLDF3 in 2001
Basic Descriptive Statistics, "1990" Dataset, 2001 Data, Span = 'A'	Skewness, kurtosis, mean, 3rd quartile, and median of "1990" in 2001
Basic Descriptive Statistics of Logarithmic Transformations, PLDF3 Dataset, 2001 Data	Skewness, kurtosis, mean, 3rd quartile, and median of the log transforms of PLDF3
Basic Descriptive Statistics of Logarithmic Transformations, "1990" Dataset, 2001 Data, Span = 'A'	Skewness, kurtosis, mean, 3rd quartile, and median of the log transforms of "1990" data.
Comparison of Two Public Library Datasets for 2001	Total number of libraries, those with spans of 'A', 'E', and 'S' for PLDF3 and "1990" data.
Criteria Used to Create Groups For First Analysis of Trends	Quartile boundaries of the "1990" dataset, span = 'A', data for 1996.
Changes in Groups Over Time	Comparison of the stability of library groups formed from population served over time.

May 31, 2004

Analysis of 2001 data
Analyzing Trends
Trends Results
Public Libraries in the United States
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