Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
From | Dmitriy Glumov <glumovdm@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: merging same variables within a dataset |
Date | Mon, 22 Aug 2011 08:57:54 -0400 |
Eric, Thank you very much for your help. Your suggestion has solved the problem and I was able to run the code without any problems. Once again, thank you. Dmitri On Aug 19, 2011, at 4:01 PM, Eric Booth wrote: > <> > > Sorry for the delay -- I've been away from the office. In case you haven't solved your problem yet: > > You could change the "by Name:" parts of the code in my example to "by Name Company", where appropriate, however, this isn't as straightforward after the data are reshaped. So, I think a faster solution is to tack on the company to the name and -bysort- by that combined variable to avoid making big changes to my example: > > > **************! > clear > inp str12(Name Position) Salary Bonus /// > Compensation str10(Company) > John Manager 10 10 20 a > Jack Manager 20 20 30 a > Brian Director 10 10 40 c > Amy Manager 20 20 30 d > John Director 10 10 20 a > Amy Director 20 30 20 d > Amy Other 10 12 30 f > end > > //added// > replace Name = Name + " - " + Company > > **Position and Companies in one String: > g i = _n > bys Name: g j = _n > qui su j > loc max `r(max)' > reshape wide Position, i(i) j(j) > > foreach p in Position { > forval n = 1/`max' { > gsort Name -`p'`n' > by Name: carryforward `p'`n', replace > } > ** > egen `p'_all = concat(`p'*) , punct(" ") > replace `p'_all = trim(`p'_all) > drop `p'? > **fix duplicates in _all vars: > forval n = 1/`=_N' { > loc j = `p'_all[`n'] > loc j: list uniq local(j) > replace `p'_all = "`j'" in `n' > } > } > > > **keep totals by Name: > collapse (sum) Salary Bonus Compensation /// > (first) Position_all Company, by(Name) > > > //added// > g len = length(Name) > replace Name = substr(Name, 1, len-3) > drop len > **************! > - Eric On Mon, Aug 15, 2011 at 10:27 AM, Dmitriy Glumov <glumovdm@gmail.com> wrote: > Eric, > > Thank you for your response, it was very helpful. From your example, > how would I separate data for two different Amys (one from company d, > the second one from company f) without aggregating it? In other words, > what should I change in order for Stata to add up the numbers for two > Amys from company d but keep Amy from f separate? Once again, thank > you for the consideration and, if anyone can help solve this problem, > it would be very much appreciated. > > Dmitri > > On Fri, Aug 12, 2011 at 4:10 PM, Eric Booth <ebooth@ppri.tamu.edu> wrote: >> <> >> >> I'd use -reshape- + -collapse-, not -merge-. >> You'll need to get carryforward for this example (-findit carryforward-): >> **************! >> clear >> inp str12(Name Position) Salary Bonus /// >> Compensation str10(Company) >> John Manager 10 10 20 a >> Jack Manager 20 20 30 a >> Brian Director 10 10 40 c >> Amy Manager 20 20 30 d >> John Director 10 10 20 a >> Amy Director 20 30 20 d >> Amy Other 10 12 30 f >> end >> >> >> **Position and Companies in one String: >> g i = _n >> bys Name: g j = _n >> qui su j >> loc max `r(max)' >> reshape wide Position Company, i(i) j(j) >> >> foreach p in Position Company { >> forval n = 1/`max' { >> gsort Name -`p'`n' >> by Name: carryforward `p'`n', replace >> } >> ** >> egen `p'_all = concat(`p'*) , punct(" ") >> replace `p'_all = trim(`p'_all) >> drop `p'? >> } >> >> >> **keep totals by Name: >> collapse (sum) Salary Bonus Compensation /// >> (first) Position_all Company_all, by(Name) >> **************! >> - Eric >> __ >> Eric A. Booth >> Public Policy Research Institute >> Texas A&M University >> ebooth@ppri.tamu.edu >> >> On Aug 12, 2011, at 1:33 PM, Dmitriy Glumov wrote: >> >>> Hello, >>> >>> I have just started using Stata and have ran into a problem. I would >>> like Stata to identify observations within a dataset that have the >>> same name, and add their respective values. To give an example, the >>> sample of the dataset looks something like this: >>> >>> Name Position Salary Bonus Compensation Company >>> John Manager 10 10 20 a >>> Jack Manager 20 20 30 a >>> Brian Director 10 10 40 c >>> Amy Manager 20 20 30 d >>> John Director 10 10 20 a >>> Amy Director 20 30 20 d >>> >>> >>> And I want it to end up looking like this: >>> >>> Name Position Salary Bonus Compensation Company >>> >>> John Manager/Director 20 20 40 a >>> Jack Manager 20 20 30 a >>> Brian Director 10 10 40 c >>> Amy Manager/Director 40 50 50 d >>> >>> In short, I would like Stata to identify same names and then add >>> salary, bonus, and compensation together, while also keeping the >>> company name and position. It is best if the company displays only one >>> label during the merge ("a" instead of "aa" or "a-a", etc) but, as far >>> as position, either merging or appending or just displaying either >>> name would be fine (so ManagerDirector or just one of the names would >>> also work), I just don't want it to create an error during the >>> transformation process. >>> >>> Thank you for your consideration and any help with this would be >>> greatly appreciated. >>> >>> Dmitri >>> * >>> * 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/