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Hello, I have a RELENG_6/AMD64 with an AMD64X2 cpu, 1GB of memory, 512MB swap. I remarked that when I run 2 simulation program [1], sometimes, one of them run one or several of its threads [2] very slowly, but sometimes, it doesn't occur. I remarked that is doesn't depend on SMP/UP, ULE/4BSD, i386/AMD64. It seems to occur also with the kernel stress test under the same conditions (all

I want to take the first row of each unique ID value from a data frame. For instance > ddTable <- data.frame(Id=c(1,1,2,2),name=c("Paul","Joe","Bob","Larry")) I want a dataset that is Id Name 1 Paul 2 Bob > unique(ddTable) Will give me all 4 rows, and > unique(ddTable$Id) Will give me c(1,2), but not accompanied by the name column.

...ieu --------------------------- make[4]: `vfonts.so' is up to date. building system startup profile building package 'base' all.R is unchanged ../../../library/base/R/base is unchanged dyld: lazy symbol binding failed: Symbol not found: _Rf_ScalarString Referenced from: /Users/mathieuprevot/PRE/R-2.7.0/lib/libR.dylib Expected in: dynamic lookup dyld: Symbol not found: _Rf_ScalarString Referenced from: /Users/mathieuprevot/PRE/R-2.7.0/lib/libR.dylib Expected in: dynamic lookup /bin/sh: line 1: 26329 Done cat ./makebasedb.R 26330 Trace/BPT trap |...