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In the study, some important herbal agricultural products with respect to their production have been clustered, in addition to determining the most important or the best countries in terms of the prod...
Using factor methods, we decompose industrial production (IP) into components arising from aggregate and sector-specific shocks. An approximate factor model finds that nearly all of IP variability is ...
The authors give a brief overview of the outcomes of an application of the factor analysis and present results of two applications within the agricultural research. The first application is a study in...

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