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Article
A Variance Estimator for Constrained Estimates of Change in Relative Categorical Frequencies
Consistent estimators of change and state becomes an issue when sample data come from a mix of permanent and temporary observation units. A joint maximum likelihood estimator of state and change creates estima...
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Article
Harmonisation and Standardisation in Multi-National Environmental Statistics – Mission Impossible?
Multi-national statistics are frequently based on data, whichoriginate from national surveys. The systems of nomenclatureapplied for key attributes often show national differences.Different error sources which...
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Article
Reliability of differing densities of sample grids used for the monitoring of forest condition in Europe
Concern about the possible deterioration of forest health led to the establishment in the 1980s of inventories of forest condition throughout Europe. International standardisation of the programmes was sought ...