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Dear All, I have an issue on memory use in R programming. Here is the brief story: I want to simulate the power of a nonparameteric test and compare it with the existing tests. The basic steps are 1. I need to use Newton method to obtain the nonparametric MLE that involves the inversion of a large matrix (n-by-n matrix, it takes about less than 3 seconds in average to get the MLE. n = sample