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From |
"Nick Cox" <n.j.cox@durham.ac.uk> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: RE: Rounding number |

Date |
Mon, 3 Mar 2008 13:39:52 -0000 |

The help for -round()- is round(x,y) or round(x) Domain x: -8e+307 to 8e+307 Domain y: -8e+307 to 8e+307 Range: -8e+307 to 8e+307 Description: returns x rounded in units of y or x rounded to the nearest integer if the argument y is omitted. returns x (not ".") if x is missing, meaning that round(.a) = .a and round(.a,y) = .a if y is not missing; if y is missing, "." is returned. For y = 1, or with y omitted, this amounts to the closest integer to x; round(5.2,1) is 5, as is round(4.8,1); round(-5.2,1) is -5, as is round(-4.8,1). The rounding definition is generalized for y != 1. With y = .01, for instance, x is rounded to two decimal places; round(sqrt(2),.01) is 1.41. y may also be larger than 1; round(28,5) is 30, which is 28 rounded to the closest multiple of 5. For y = 0, the function is defined as returning x unmodified. Also see int(x), ceil(x), and floor(x). Instead of saying I don't understand, it is best to say specifically what you do not understand. Which bits appear unclear, confused, incorrect? In this case, you could round 4.2 up to 5 by using -ceil()-. Round down with -floor()- Nick n.j.cox@durham.ac.uk Ziad El-Khatib tried to look for help round but did not understand it well. how to round variable (weight) to have it 0 decimal, e.g. 5 instead of 4.20? * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: Rounding number***From:*"Ziad El-Khatib" <Ziad.El-Khatib@ki.se>

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