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Problems working with large matrix (using package R.huge)
2 messages · pedrosmarques at portugalmail.pt, Henrik Bengtsson
Hi, I'm sorry, but I will most likely withdraw R.huge from CRAN anytime soon. The File***Matrix classes had some problems, which when solved made it too slow. See BufferedMatrix package in Bioconductor instead. /Henrik On 09/12/2007, pedrosmarques at portugalmail.pt
<pedrosmarques at portugalmail.pt> wrote:
Hi all, Since I was having several problems trying to work with a large matrix I started to use the package R.huge but I'm having the following problem
x<-FileByteMatrix("covtype.data",nrow=581012,ncol=55)
Error: cannot allocate vector of size 770.8 Mb In addition: Warning messages: 1: Reached total allocation of 447Mb: see help(memory.size) in: readChar(con = con, nchar = len) 2: Reached total allocation of 447Mb: see help(memory.size) in: readChar(con = con, nchar = len) 3: Reached total allocation of 447Mb: see help(memory.size) in: readChar(con = con, nchar = len) 4: Reached total allocation of 447Mb: see help(memory.size) in: readChar(con = con, nchar = len) How can I solve this?? Best regards
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