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41.
A test based on empirical distribution function had been proposed for testing the goodness of fit of an assigned mean residual life function against a one sided alternative. The test statistic has been shown to be consistent and has an asymptotic normal distribution. The test performance is good in the asymptotic relative efficiency sense. 相似文献
42.
When data from several independent Markov chains are aggregated over each time point, least square estimation of transition probabilities faces the problem of multi-collinearity. We propose here an estimation procedure which involves use of ridge regression for the ordinary least square estimators. Performance of this estimator is then compared with that of the ordinary least squares. 相似文献