McGehee, Robert wrote:
a <- eval(parse(text = paste(rep(1, 499), collapse = "+")))
Another little investigation shows that if you type:
1+1+......+1
at the > prompt (with over 498 '+1's) both R1.8.1 and R2.0.0 produce an error message, so it would appear to be something specific to the eval() function in R 2.0.x suppressing the error message.
You can increase the limit by setting options()$expressions - default is 500 here. help(options) says you can go up to 100000, but that doesn't fix the fundamental problem...
Time for the gurus to sort this one out...
Baz
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