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From |
Nick Cox <[email protected]> |

To |
[email protected] |

Subject |
Re: st: Keep all the observations in a day if the variable takes value 1 at least in one time interval. |

Date |
Mon, 15 Aug 2011 11:59:27 +0100 |

I take "value 1 at least in one of the time intervals" to mean "value 1 in at least in one of the time intervals" and not "value at least 1 in one of the time intervals". egen everone = total(s1 == 1), by(day) keep if everone See also SJ-11-2 dm0055 . . . . . . . . . . . . . . Speaking Stata: Compared with ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J. Cox Q2/11 SJ 11(2):305--314 (no commands) reviews techniques for relating values to values in other observations Nick On Mon, Aug 15, 2011 at 11:42 AM, Katia Bobulova <[email protected]> wrote: > I would like to keep all the observations in one day (which it is > divideded in time intervals), if a variable takes value 1 at least in > one of the time intervals. > > However, if I type: > > keep data if s1==1 I will obatian only the time intervals and not the whole day. > > Do you have any suggestion on how to do? * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

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