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From |
Eva Poen <eva.poen@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: RE: Data aligning |

Date |
Wed, 18 Mar 2009 19:08:26 +0000 |

Oops. Sorry, misguided post. Apologies. Eva 2009/3/18 Eva Poen <eva.poen@gmail.com>: > Anita, > > it sounds to me like you are using Stata mainly interactively. You > should think about writing your commands up in do-files, which makes > it very easy to just change a line (-reshape- in your case) and re-run > the do-file. Also, the general advise by people on statalist is to > never overwrite your existing data file, and to not save different > versions of your data after having manipulated it. Instead, save in a > do-file the commands that got you there. This way, you can replicate > your findings, and you still have a chance of knowing what exactly you > typed after 3 months or so. > > As to your current problem, I assume that you have not overwritten the > original data file that you had before the -reshape- attempt. If this > is the case, you can -preserve- your current data, then -drop _all- > and -use- your original file. Proceed with -reshape- as you have been > advised. Then save the resulting data temporarily, -restore-, and > -merge-. > > Hope this helps, > Eva > > > 2009/3/18 Anita Sayal <anitasayal@yahoo.com>: >> I repeated your example..Its works fine doing manually..but how would I replicate for a very large data set and when all data is in single file >> >> >> --- On Wed, 3/18/09, Joseph Coveney <jcoveney@bigplanet.com> wrote: >> >>> From: Joseph Coveney <jcoveney@bigplanet.com> >>> Subject: st: RE: Data aligning >>> To: statalist@hsphsun2.harvard.edu >>> Date: Wednesday, March 18, 2009, 11:53 AM >>> Anita Sayal wrote: >>> >>> Would someone Please tell me what commands arto ae used to >>> align the data for >>> Var2 with corresponding Reporter Partner combination in >>> Column 1 and 2 for >>> corresponding years.. trying to do thiis for a large data >>> set..TX >>> >>> >>> Reporter Partner Year Var1 Reporter Partner Year Var2 >>> A B 1985 10 A D 1986 .4 >>> A C 1986 12 C A 1989 .3 >>> A D 1986 14 >>> B A 1985 15 >>> B C 1985 18 >>> C A 1989 20 >>> >>> -------------------------------------------------------------------------------- >>> >>> -merge- is what I think you're looking for. Try the >>> do-file below, and see >>> whether it gives you the kind of data alignment that you >>> want. >>> >>> Joseph Coveney >>> >>> clear * >>> set more off >>> input str1 Reporter str1 Partner int Year byte Var1 >>> "A" "B" 1985 10 >>> "A" "C" 1986 12 >>> "A" "D" 1986 14 >>> "B" "A" 1985 15 >>> "B" "C" 1985 18 >>> "C" "A" 1989 20 >>> end >>> >>> tempfile tmpfil0 >>> save `tmpfil0' >>> >>> clear >>> input str1 Reporter str1 Partner int Year float Var2 >>> "A" "D" 1986 .4 >>> "C" "A" 1989 .3 >>> end >>> >>> merge Reporter Partner Year using `tmpfil0', sort >>> list Reporter Partner Year Var1 Var2, noobs sepby(_merge) >>> exit >>> > * * 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/

**References**:**st: RE: Data aligning***From:*"Joseph Coveney" <jcoveney@bigplanet.com>

**Re: st: RE: Data aligning***From:*Anita Sayal <anitasayal@yahoo.com>

**Re: st: RE: Data aligning***From:*Eva Poen <eva.poen@gmail.com>

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