search for: umorin

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2013 Apr 26
2
speed of a vector operation question
Hello, I am dealing with numeric vectors 10^5 to 10^6 elements long. The values are sorted (with duplicates) in the vector (v). I am obtaining the length of vectors such as (v < c) or (v > c1 & v < c2), where c, c1, c2 are some scalar variables. What is the most efficient way to do this? I am using sum(v < c) since TRUE's are 1's and FALSE's are 0's. This
2013 Jun 25
0
having trouble installing RDieHarder
Hello, I am having trouble installing the package from CRAN. As the package compiles I get: * installing *source* package ‘RDieHarder’ ... ** package ‘RDieHarder’ successfully unpacked and MD5 sums checked checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for