Using data provided by the annual reports of Illinois public libraries and by the Illinois state library, this publication is a companion to the November 1982 issue of "Illinois Libraries," which enumerated the 16 data elements upon which the analyses are based. Three additional types of information are provided for each of six…

The problem of forecasting monthly demands for library network services is considered in terms of using forecasts as inputs to policy analysis models, and in terms of using forecasts to aid in the making of budgeting and staffing decisions. Box-Jenkins time-series methodology, adaptive filtering, and regression approaches are examined and compared…

This report presents statistical pictures of Illinois Public Libraries during the fiscal year 1988-1989. The information comes primarily from the Illinois Public Library Annual Report forms. In addition, text has been included that describes how a library or library system can utilize these statistics. Three sections divide the publication.…