[R] Run out of memory

[Hongli Li]

I am trying to use R to cluster 7129 samples, my data set is a 7129 x 38 matrix,  when I trying to get the distance matrix using function dist( ), the memory exhausted, and I tried to set the memory when I run R by 
R --vsize=250M --nsize=1000k

no matter what I set for vsize the result is the same, it says:

Error: heap memory (256000kb) exhausted [need 198498Kb more]
                                                                        (this doesn't change)

What can I do to solve this?

Thank you  very much!

Hongli Li
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