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| From | "Martin Weiss" <martin.weiss1@gmx.de> |
| To | <statalist@hsphsun2.harvard.edu> |
| Subject | RE: st: FW: Urgent: Stored Data after the calculation |
| Date | Sun, 28 Mar 2010 22:03:44 +0200 |
<> Sure, you may like Kit`s http://www.stata-press.com/books/isp.html to fill you in on all the secrets of Stata programming :-) HTH Martin -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of keeler james Sent: Sonntag, 28. März 2010 22:00 To: statalist@hsphsun2.harvard.edu Subject: RE: st: FW: Urgent: Stored Data after the calculation Hi Martin, Thanks for your time and effort. I am probably a bit slow in this as I only start programming Stata or mainly programming for 3 months. Many thanks for all the pointers and reference. have a nice evening! Cal ---------------------------------------- > From: martin.weiss1@gmx.de > To: statalist@hsphsun2.harvard.edu > Subject: RE: st: FW: Urgent: Stored Data after the calculation > Date: Sun, 28 Mar 2010 21:44:45 +0200 > > > <> > > Several things are getting mixed up here, and I hope I am not the source of > the confusion. The -local- line stands on its own, unencumbered by what you > typed before. I thought you only wanted to see the value of A09 for which > the -if- expression was true, hence my answer. > > Where does the "=r(N)" part come from? It sounds suspiciously like a line > being taken out of context. This very context might have been a prior line > containing the -count- command, possibly augmented by an -if- expression of > the kind you had in mind. This command would leave an r-return value in its > wake, which you could then put into a -local-... > > > HTH > Martin > > > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of keeler james > Sent: Sonntag, 28. März 2010 21:38 > To: statalist@hsphsun2.harvard.edu > Subject: RE: st: FW: Urgent: Stored Data after the calculation > > Ta, Martin. > > After the command: > > list if Cohort=="Group 2" & A09!=. > > I don't think I can use the command: > > local second=A09[2] > > anymore, I try to use the following > > local second=r(N) > > but it doesn't seem to work. Ummm... > > Cal > > ---------------------------------------- >> From: martin.weiss1@gmx.de >> To: statalist@hsphsun2.harvard.edu >> Subject: RE: st: FW: Urgent: Stored Data after the calculation >> Date: Sun, 28 Mar 2010 20:39:30 +0200 >> >> >> <> >> >> >> Maybe you wanted: >> >> ******* >> list if Cohort=="Group 2" & A09!=. >> ******* >> >> The string "and" was bound to cause an error message... >> >> HTH >> Martin >> >> >> -----Original Message----- >> From: owner-statalist@hsphsun2.harvard.edu >> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of keeler james >> Sent: Sonntag, 28. März 2010 20:34 >> To: statalist@hsphsun2.harvard.edu >> Subject: RE: st: FW: Urgent: Stored Data after the calculation >> >> BTW, one more question. >> >> What if the groups are ever changing, e.g. sometimes groups 1 and 4 are >> missing, and it will end up like the following: >> >> Cohort Tot08 Tot09 A08 A09 >> >> Group 2 10 3 0 >> ? >> Group 3 3 4 2 ? >> Group 5 3 >> 8 0 ? >> Group 6 0 31 0 ? >> Group 7 266 245 181 ? >> >> if we use the same display command -di in r "Second value of A09: " > A09[2]-, >> it will show the value of Group 3 instead of Group 2. >> >> I try in vain to use the following command >> >> di in r if Cohort=="Group 2" and A09!=. >> >> to lock the output to Group 2 but there was an error message. Any help > will >> be great! >> >> Cal >> >> ---------------------------------------- >>> From: keelercalchas@hotmail.com >>> To: statalist@hsphsun2.harvard.edu >>> Subject: RE: st: FW: Urgent: Stored Data after the calculation >>> Date: Sun, 28 Mar 2010 17:15:45 +0100 >>> >>> Brilliant! Many thanks, Martin - have a good weekend! >>> >>> Cal >>> >>>> From: martin.weiss1@gmx.de >>>> To: statalist@hsphsun2.harvard.edu >>>> CC: keelercalchas@hotmail.com >>>> Subject: st: FW: Urgent: Stored Data after the calculation >>>> Date: Sun, 28 Mar 2010 16:02:07 +0200 >>>> >>>> >>>> <> >>>> >>>> >>>> Try this, and switch your mail program to text only... All of this is >>>> discussed in [U], sect. 13.7... >>>> >>>> ******* >>>> clear* >>>> >>>> input str7 Cohort int(Tot08 Tot09 A08) >>>> "Group 1" 48 66 17 >>>> "Group 2" 10 3 0 >>>> "Group 3" 3 4 2 >>>> "Group 4" 1 0 0 >>>> "Group 5" 3 8 0 >>>> "Group 6" 0 31 0 >>>> "Group 7" 266 245 181 >>>> end >>>> >>>> gen A09=round((A08/Tot08)*Tot09) >>>> >>>> list, noo >>>> >>>> di in r "First value of A09: " A09[1] >>>> di in r "Second value of A09: " A09[2] >>>> di in r "Double the first value of A09: " 2*A09[1] >>>> >>>> *store second value in a -local- >>>> local second=A09[2] >>>> di in r `second' >>>> ******* >>>> >>>> >>>> HTH >>>> Martin >>>> >>>> From: keeler james [mailto:keelercalchas@hotmail.com] >>>> Sent: Sonntag, 28. März 2010 15:10 >>>> To: martin.weiss1@gmx.de; statalist@hsphsun2.harvard.edu >>>> Subject: FW: Urgent: Stored Data after the calculation >>>> >>>> Hi Martin, >>>> >>>> Thanks for the prompt response. >>>> >>>> The message attached is my original request, which got bounced back: >>>> >>>> For Group1, the calculated value for A09 is 23.4; for Group2, the >> calculated >>>> value is 0 and so on for the rest of the groups. But how can I reuse > 23.4 >>>> (Group 1, A09) in one specific (further) calculation and 0 (Group2, A09) >> in >>>> a separate (further) calculation? >>>> >>>> I think it should be quite easy, but I just don't know how to do that. >>>> >>>> Calchas >>>> ________________________________________ >>>> From: keelercalchas@hotmail.com >>>> To: statalist@hsphsun2.harvard.edu >>>> Subject: FW: Urgent: Stored Data after the calculation >>>> Date: Sat, 27 Mar 2010 00:06:41 +0000 >>>> >>>> Dear Statalist, >>>> >>>> I have the following table with column "A09" needed to be calculated. >>>> >>>> Cohort Tot08 Tot09 A08 A09 >>>> >>>> Group 1 48 66 17 ? >>>> Group 2 10 3 0 ? >>>> Group 3 3 4 2 ? >>>> Group 4 1 0 0 ? >>>> Group 5 3 8 0 ? >>>> Group 6 0 31 0 ? >>>> Group 7 266 245 181 ? >>>> >>>> I use the command: >>>> >>>> gen A09=round((A08/Tot08)*Tot09) >>>> >>>> This will work well for the missing column "A09", but how can I reuse > the >>>> calculated numbers to do further calculations? >>>> >>>> I know it is something relating to the command of stored data, i.e.: >>>> >>>> local missing=r(N) >>>> >>>> but this is only for a scalar value, what about saving and reusing the >>>> entire column? Really stuck at the moment and any help will be >> appreciated. >>>> >>>> Ta, >>>> Calchas >>>> >>>> >>>> ________________________________________ >>>> Do you have a story that started on Hotmail? Tell us now >>>> ________________________________________ >>>> Do you want a Hotmail account? Sign-up now - Free >>>> ________________________________________ >>>> Do you have a story that started on Hotmail? Tell us now >>>> ________________________________________ >>>> Got a cool Hotmail story? Tell us now >>>> >>>> >>>> * >>>> * 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/ >>> >>> _________________________________________________________________ >>> Send us your Hotmail stories and be featured in our newsletter >>> http://clk.atdmt.com/UKM/go/195013117/direct/01/ >>> * >>> * 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/ >> >> _________________________________________________________________ >> Send us your Hotmail stories and be featured in our newsletter >> http://clk.atdmt.com/UKM/go/195013117/direct/01/ >> * >> * 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/ > > _________________________________________________________________ > We want to hear all your funny, exciting and crazy Hotmail stories. Tell us > now > http://clk.atdmt.com/UKM/go/195013117/direct/01/ > * > * 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/ _________________________________________________________________ We want to hear all your funny, exciting and crazy Hotmail stories. Tell us now http://clk.atdmt.com/UKM/go/195013117/direct/01/ * * 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/