To my understanding, library(bigmemory) should allow us to create a matrix larger than 2GB (say 17,000 by 17,000) by temporarily storing the data on harddisk. But I try the following codes to create such a matrix. library(bigmemory) A <- big . matrix (17000 , 17000 , type ="double", init = 0) But I got error message: Error: memory could not be allocated for instance of type big.matrix I wonder if there are anything wrong in my codes. Thank you! -- View this message in context: http://r.789695.n4.nabble.com/The-problem-of-using-library-bigmemory-tp4504295p4504295.html Sent from the R help mailing list archive at Nabble.com.