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This paper aims to investigate the impact of sample size on geotechnical probabilistic model identification. First, the copula approach is presented to model the bivariate distribution of geotechnical parameters. Thereafter, the AIC scores are adopted to identify the best-fit marginal distribution and copula. Second, the variation of AIC scores because of small sample size is investigated using simulated...
Based on limited amount of multivariate soil data Y, it is only possible to reliably estimate the marginal distributions and the correlations. A common practical approach of constructing the multivariate probability distribution of Y is to transform Y into standard normal data X and construct the multivariate standard normal distribution for X. This method is called the translation method. Its success...
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