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Showing 1 to 5 of 5 for “"PPMC"”.
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Hybrid dictionary/statistical text compression algorithms
… compression on text files than the algorithm PPMC without requiring significantly greater computing resources; PPMC is widely regarded as the algorithm which yields the greatest compression on most typical text files. Existing hybrid algorithms are reviewed in the initial sections of the …
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Fast EM Based Posterior Approximation for IRT Item Parameters
… for this is posterior predictive model checking (PPMC). This is commonly implemented using the joint posterior distribution of the item parameters as estimated through Markov chain Monte Carlo (MCMC). MCMC estimation is typically very computationally intensive for IRT models and does not result in …
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Using multivariate statistical procedures to identify ignitable liquid residues in the presence of interferences
… (PCA) and Pearson product moment correlation (PPMC) coefficients was used to investigate the association of ILRs to the corresponding liquid standards. PCA was used to assess the association of the ILRs to the corresponding liquid standard, while PPMC coefficients provided a statistical measure …
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Developing a safety assessment framework for the transportation of petroleum products: A case study of the Nigerian petroleum downstream industry
… the Petroleum Products and Marketing Company (PPMC) which oversees the transportation and distribution of petroleum products across the country. Also, the major oil marketers and the independent oil marketers which make up the freight transporters of the downstream oil and gas transport …
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The effect of employment and workers' compensation litigation on the pain, psychological state and disability of chronic back pain sufferers
… interview at the Perth Pain Management Centre (PPMC) a multidisciplinary pain centre. According to their litigation and employment status these patients were divided into four groups (n=5O), namely a non-litigation non-working group (NLnw), a non- working group (NLw), a litigating non-working …