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Updated: Mar 27, 2026

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
Published on: July 3, 2020
FACTOR ANALYTICAL TREATMENT OF GROWTH DATA
1a University of Iowa .
Abstract:
This paper presents a limited linear factor analysis model for the analysis of repeated measures of several traits on the same subjects. Attention is drawn to the problem of analysing growth in mean scores, and an analytical resolution of this problem, together with an appropriate method of analysis, is presented for the case of independent error terms. A special condition, expected to hold for some data, is discussed, and the corresponding rotational procedures derived. Data from an artificial experiment satisfying the model are analysed to illustrate the methods evolved.
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