Hi all, I am to find some way on how I can tell R to use this small number 10^-20 as zero by default. This means if any number is below this then that should be treated as negative, or if I divide something by any number less than that (in absolute term) then, Inf will be displayed etc.

I have gone through the help page of options() function, however could not find anything on how to handle that issue. Can somebody help me on this regards?

Thanks
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