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Round half up in R.
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| round.off <- function (x, digits=0) | |
| { | |
| posneg = sign(x) | |
| z = trunc(abs(x) * 10 ^ (digits + 1)) / 10 | |
| z = floor(z * posneg + 0.5) / 10 ^ digits | |
| return(z) | |
| } |
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Reference web site.
https://en.wikipedia.org/wiki/Rounding#Round_half_up