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R version 2.5.0 Under development (unstable) (2006-11-07 r39824)
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R version 2.7.0 Under development (unstable) (2007-09-21 r42937)
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Copyright (C) 2006 The R Foundation for Statistical Computing
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Copyright (C) 2007 The R Foundation for Statistical Computing
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ISBN 3-900051-07-0
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ISBN 3-900051-07-0
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R is free software and comes with ABSOLUTELY NO WARRANTY.
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R is free software and comes with ABSOLUTELY NO WARRANTY.
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You are welcome to redistribute it under certain conditions.
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You are welcome to redistribute it under certain conditions.
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Type 'license()' or 'licence()' for distribution details.
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Type 'license()' or 'licence()' for distribution details.
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> getenv("USER") # should produce correct error message.
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> getenv("USER") # should produce correct error message.
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Error: 'getenv' is defunct.
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Error: 'getenv' is defunct.
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Use 'Sys.getenv' instead.
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Use 'Sys.getenv' instead.
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See help("Defunct")
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See help("Defunct")
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>
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>
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> ## bad infinite recursion / on.exit / ... interactions
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> bar <- function() 1+1
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> foo <- function() { on.exit(bar()); foo() }
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> foo() # now simple "infinite recursion"
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Error: evaluation nested too deeply: infinite recursion / options(expressions=)?
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>