Hi: I am doing a MCMC algorithm which is well known to consume much computer memory. And I have a problem everytime I run my R program. It stopped at certain iteration and says "can not allocate a vector of 19 kb". It seems that the computer's memory has been exhausted. However, it is said that after each iteration the objects (such as a huge matrix) can be set to NULL. And the memory will be released so the program will consume as much memory as before. I wonder how to do that, that is, set the object to be NULL. Say, A is a matrix in each iteration. I just need to write A<-NULL ?? And this approach really works? Thank you very much!
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