I need to generate good quality of random numbers from univariate normal distribution for further transformation. I tried rnorm in R but it was not good sometimes. Someone said C++ standard library or Fortran's built-in functions for that are good. I found that there is double norm_rand() in R-extension. Does this function, norm_rand() use the same algorithm as rnorm in R or something similar in C/C++? Or does anyone know which one between norm_rand() in R-extension and rnorm in R is better? If anyone could help, I would appreciate it. Kyeongmi
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