Why round(4.5) is 4 and round(3.5) is also 4?
Can anybody explain?
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Probably http://www.xbeat.net/vbspeed/i_BankersRounding.htm – Martin Smith Sep 09 '17 at 12:27
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2Use `?round`, which will show "... Note that for rounding off a 5, the IEC 60559 standard is expected to be used, ‘go to the even digit’. Therefore round(0.5) is 0 and round(-1.5) is -2. ...". – 67342343 Sep 09 '17 at 12:29
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see also https://stackoverflow.com/q/39892999/3871924 – agenis Sep 09 '17 at 12:34
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Thanks "67342343".. Got the answer – vipul Sep 09 '17 at 12:41
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With `cbind((x <- c(1,3,5,7,9,11,13,15,17,19)/200000), round(x, 5))` I also get the effects of numerical imprecession – Henry Sep 09 '17 at 13:11