In this article, the main focus is on the PCM; the above-mentioned JML non-existence configurations for this model will be the starting point. A class of counter examples is illustrated, which leads to “false” CML estimates with the eRm package, i.e., values that appear to be estimates but, through a more accurate analysis of the maximization function, they are rather a clear signal of non-existence. Moreover, the obtained results emphasize the presence of additional CML non-existence configurations, compared to those valid in the JML case.
PUNZO, ANTONIO, (2008). Remarks on the Existence of CML Estimates for the PCM by means of the R Package eRm 1(2008)). Bergamo: Retrieved from http://hdl.handle.net/10446/321
Remarks on the Existence of CML Estimates for the PCM by means of the R Package eRm
2008-01-01
Abstract
In this article, the main focus is on the PCM; the above-mentioned JML non-existence configurations for this model will be the starting point. A class of counter examples is illustrated, which leads to “false” CML estimates with the eRm package, i.e., values that appear to be estimates but, through a more accurate analysis of the maximization function, they are rather a clear signal of non-existence. Moreover, the obtained results emphasize the presence of additional CML non-existence configurations, compared to those valid in the JML case.File | Dimensione del file | Formato | |
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