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The Techniques and Concepts of Data Collection
Extrapolation to an annual base
Estimates of Precision Sources of error
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academic libraries Alan Rees approximately availability of reference best fit Best power law bookstock Chapter circulation compensating variation confidence level corresponding data analysis data collection defined detail determined economies of scale estimated exponent extrapolation figure fitting function formulae frame function goodness-of-fit Hessian matrix histogram in-house activity indicators Kantor librarian libraries are included libraries reporting library services library termination linear log-linear log-linear models log-normal distribution logarithm LORCOST Libraries Project medical libraries Michael Buckland microeconomic models Multicollinearity NATURAL LOGARITHM number of hours number of libraries ordinal utility output measures parameters participating libraries patron-hours person-hours Poisson distribution power law fit problem R-squared reference queries reference service relation represented residuals salary scanning Sci-Tech libraries scientific and technical selected service event service rendered significant Special libraries staff statistic stratified sample technical libraries techniques tion total budget total operating costs total square deviation unit costs utility variance work-sampling