Re: [R] That dreaded floating point trap

From: Sarah Goslee <>
Date: Thu, 31 Mar 2011 08:41:52 -0400

On Thu, Mar 31, 2011 at 8:14 AM, Alexander Engelhardt
> this helps, thank you.
> But if this code is in a function, and some user supplies a vector, I will
> still have to round it in the function, I guess.
> It's weird how 0.1 is different from round(0.1, digits=1) , but I don't want
> to read that 90 page long floating point paper which was referenced
> somewhere :)

Or you could try the much shorter R FAQ 7.31. Turns out it isn't weird at all, if you are a computer.


Sarah Goslee

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