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From |
<sontag@sas.upenn.edu> |

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

Subject |
RE: st: RE: Extract elements from string variables |

Date |
Wed, 8 Jul 2009 19:51:06 -0400 |

Thank you both very much and apologies for bothering everyone else. That was the help I needed ---------------------------------------- > From: HLempel@brookings.edu > To: statalist@hsphsun2.harvard.edu > Date: Wed, 8 Jul 2009 19:16:19 -0400 > Subject: RE: st: RE: Extract elements from string variables > > Nice catch. Thanks, Martin. > > Howie > > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Martin Weiss > Sent: Wednesday, July 08, 2009 7:14 PM > To: statalist@hsphsun2.harvard.edu > Subject: RE: st: RE: Extract elements from string variables > > > <> > > > Conor will have to put the returned value into single quotes, though... > > *** > sysuse auto, clear > sum rep, mean > //must be `r(max)', not r(max) > forval i = 1/`r(max)' { > di `i' > } > *** > > > > HTH > Martin > > > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Howard Lempel > Sent: Donnerstag, 9. Juli 2009 01:07 > To: statalist@hsphsun2.harvard.edu > Subject: RE: st: RE: Extract elements from string variables > > This is probably not the most efficient way to solve your problem, but one > method follows. Assume that you have used -split- already and your > duplicate variable is equivalent to my newid from my previous example. > > sum duplicate > forval i = 1/r(max) { > replace advisor = advisorindividual`i' if duplicate==`i' > } > drop advisorindividual? > > Hope this helps. > Howie > > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of > sontag@sas.upenn.edu > Sent: Wednesday, July 08, 2009 6:53 PM > To: statalist@hsphsun2.harvard.edu > Subject: RE: st: RE: Extract elements from string variables > > Yes the names are separated by commas > > ---------------------------------------- >> From: HLempel@brookings.edu >> To: statalist@hsphsun2.harvard.edu >> Date: Wed, 8 Jul 2009 18:49:46 -0400 >> Subject: RE: st: RE: Extract elements from string variables >> >> No problem. >> >> Are your names separated by commas, then? >> >> -----Original Message----- >> From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of > sontag@sas.upenn.edu >> Sent: Wednesday, July 08, 2009 6:45 PM >> To: statalist@hsphsun2.harvard.edu >> Subject: RE: st: RE: Extract elements from string variables >> >> Thanks Howie, >> >> That is a pretty good estimate of what the data set looks like, however > the names I am using are often of different forms: >> Mr John Smith, Dr. Seuss, etc. >> >> So I don't believe that I can use -word-. >> >> Also, I've tried using split, but it generates new variables, which I can > use to obtain my goal, but the code is then tedious and kind of disgusting, > i.e >> >> gen advisor = advisorindividual1 if duplicate == 1. all the way through > the max amount. >> >> and then drop the variables advisorindividual1 through 15. >> >> Does anyone know if it would be possible to do something along the lines > of: >> gen advisor = advisorindividual`i' if duplicate == `i'? >> >> Thanks again, >> Conor >> >> ---------------------------------------- >>> From: HLempel@brookings.edu >>> To: statalist@hsphsun2.harvard.edu >>> Date: Wed, 8 Jul 2009 14:57:10 -0400 >>> Subject: st: RE: Extract elements from string variables >>> >>> Conor, >>> >>> An illustration of your data might help. For now, I assume that your data > started out something like this, where origob is the original observation > number for each group of names, newid is the new observation number, and X > and Y are some other variables: >>> >>> origob names X Y >>> 1 "Alex Charles Henry" 123 456 >>> 2 "Mary Liz" 789 324 >>> >>> And now looks something like this: >>> >>> origob newid names X Y >>> 1 1 "Alex Charles Henry" 123 456 >>> 1 2 "Alex Charles Henry" 123 456 >>> 1 3 "Alex Charles Henry" 123 456 >>> 2 1 "Mary Liz" 789 324 >>> 2 2 "Mary Liz" 789 324 >>> >>> And you want this: >>> origob newid names name X Y >>> 1 1 "Alex Charles Henry" "Alex" 123 456 >>> 1 2 "Alex Charles Henry" "Charles" 123 456 >>> 1 3 "Alex Charles Henry" "Henry" 123 456 >>> 2 1 "Mary Liz" "Mary" 789 324 >>> 2 2 "Mary Liz" "Liz" 789 324 >>> >>> >>> If this is right, you can go from the second stage to the third stage by > doing the following: >>> >>> bysort origob: gen name = word(names, _n) >>> >>> Hope this helps. >>> Howie >>> >>> -----Original Message----- >>> From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of > sontag@sas.upenn.edu >>> Sent: Wednesday, July 08, 2009 2:37 PM >>> To: statalist@hsphsun2.harvard.edu >>> Subject: st: Extract elements from string variables >>> >>> >>> In the data set I have a string variable with the names of several > people. However, I want to look at the relationship across each individual, > so I am trying to separate the names. >>> >>> What I have done: expanded the observations based on how many individuals > are in each observation's string variable. Labeled the duplicate > observations 1, 2, 3, etc. >>> >>> What I need now, is a command that will take the number in my duplicates > and take the corresponding individual's name with respect to its position in > the string variable, separated by a comma. >>> >>> Any insight would be helpful. >>> >>> Thanks, >>> Conor >>> >>> * >>> * 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/ >>> >>> * >>> * 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/ >> >> * >> * 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/ >> >> * >> * 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/ > > * > * 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/ > > * > * 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/ > > * > * 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/ > > * > * 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/ * * 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: Extract elements from string variables***From:*<sontag@sas.upenn.edu>

**st: RE: Extract elements from string variables***From:*Howard Lempel <HLempel@brookings.edu>

**RE: st: RE: Extract elements from string variables***From:*<sontag@sas.upenn.edu>

**RE: st: RE: Extract elements from string variables***From:*Howard Lempel <HLempel@brookings.edu>

**RE: st: RE: Extract elements from string variables***From:*<sontag@sas.upenn.edu>

**RE: st: RE: Extract elements from string variables***From:*Howard Lempel <HLempel@brookings.edu>

**RE: st: RE: Extract elements from string variables***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**RE: st: RE: Extract elements from string variables***From:*Howard Lempel <HLempel@brookings.edu>

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