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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Bibliography

Bibliography

Forecasting, an appraisal for policy-makers and planners  [1979]

Ascher, William;

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Forecasting is a new, and still changing field. One of the most important factors in the relationships between method and result is that core assumptions are more important than sophisticated techniques; improved technique does not compensate for faulty assumptions. Forecasting is still an art and one that is difficult to master. The uses of forecasting can be so varied, and applied to so many different disciplines, that it's worth making the effort. The appraisal of forecasts and the choice of the "most likely" from a group focusing on the same area is also a type of forecasting