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From |
Steve Samuels <sjsamuels@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Why no error with -table- & trailing -if- ? |

Date |
Thu, 24 Oct 2013 18:01:22 -0400 |

Thanks. I agree about the teaching. It's amusing that empty option slots indicated by multiple commas are possible. Steve On Oct 24, 2013, at 9:12 AM, Nick Cox wrote: This works for weights too: . sysuse auto (1978 Automobile Data) . su mpg, detail, [w=length] (analytic weights assumed) Mileage (mpg) ------------------------------------------------------------- Percentiles Smallest 1% 12 12 5% 14 12 10% 14 14 Obs 74 25% 17 14 Sum of Wgt. 13907 50% 19 Mean 20.75919 Largest Std. Dev. 5.621854 75% 24 34 90% 28 35 Variance 31.60525 95% 31 35 Skewness 1.03329 99% 41 41 Kurtosis 4.274852 I have to say that I keep quiet about this feature when teaching Stata. Nick njcoxstata@gmail.com On 24 October 2013 13:52, Steve Samuels <sjsamuels@gmail.com> wrote: > > > Thanks, Nick. I managed to find that section myself. Sergiy, I now > understand what you were describing: command-specific options can > alternate with -if- and -in- qualifiers; a command-specific option must > come first. Also, the two qualifiers can appear together, as they > can if written before the first comma, but only one instance of each is allowed. > > So the following are both legal syntax: > > . sum mpg, det, if foreign in 50/l, format > . sum mpg, det, if foreign, format, in 50/l > > > The Manual calls the insertion of the qualifiers a "return to the > command line", what Sergiy called "command mode". Are there any other > "command line" elements besides the qualifiers that can appear after a > comma? > > > Steve > > On Oct 23, 2013, at 9:01 PM, Nick Cox wrote: > > The perhaps surprising extended role of the comma is documented at [U] 11.1.7. > > (http://www.stata.com/manuals13/u.pdf p.82) > > > Nick > njcoxstata@gmail.com > > > On 24 October 2013 00:46, Sergiy Radyakin <serjradyakin@gmail.com> wrote: >> On Wed, Oct 23, 2013 at 5:58 PM, Steve Samuels <sjsamuels@gmail.com> wrote: >>> >>> . sysuse auto, clear >>> . table rep78, c(mean mpg), if turn<40 >> >> Because it is out of options already. Visualize it like this: >> >> cmd , options, more command, more options >> >> Comma switches between the command and the options mode. So your >> command is equivalent to: >> table rep78 if turn<40, c(mean mpg) >> >> Best, Sergiy Radyakin >> >> >> >> >>> >>> >>> Steve >>> sjsamuels@gmail.com >>> >>> >>> On Oct 21, 2013, at 9:35 PM, Sergiy Radyakin wrote: >>> >>> Dear Dirk, >>> >>> see if -savespss- and or saveto9.exe are able to help: >>> http://www.radyakin.org/transfer/savespss/savespss.htm >>> http://www.radyakin.org/transfer/saveto9/cs/index.htm >>> >>> The first one is a Stata 10.0+ command (in Mata) that writes SPSS >>> system files (*.sav) directly. The second one is a standalone utility >>> to "downgrade" the version of the Stata dataset without Stata at all >>> (neither Stata, nor SPSS, nor Stat/Transfer is necessary for it). >>> >>> Best, Sergiy Radyakin >>> >>> >>> >>> On Sat, Oct 19, 2013 at 4:41 PM, Dirk Enzmann >>> <dirk.enzmann@uni-hamburg.de> wrote: >>>> Yes. >>>> >>>> I cannot come up with hard numbers, but here are some impressions as to the >>>> difficulties: >>>> >>>> I already bought Stata from my private money (for use at my work!) - when I >>>> bought it the first time (several years ago) my institution had no net >>>> license of Stata; even after they decided to invest into a net license, I >>>> regularary bought new versions because my instituion is too slow to invest >>>> in updates (at the moment, the most recent version available is Stata 11!). >>>> I would not starve if I had to buy StatTransfer on top of it, but I am >>>> really hesitating because this I also had to pay subtracting from my salary >>>> because this program does not belong to the software our institution bought >>>> for use of their students or employees. >>>> >>>> Until Stata 12 I could live comfortably without StatTransfer - I wrote an >>>> SPSS script (SPSS2Stata.sbs) to translate SPSS files to Stata and a Stata >>>> .ado (-dta2sav-) to move Stata files to SPSS. But the way to SPSS is blocked >>>> now since Stata 13. >>>> >>>> Luckily I have bought Stata 12 before, thus I can use it for moving files >>>> from Stata 13 to SPSS - others, who are new to Stata since version 13 are >>>> not so lucky. >>>> >>>> I recently convinced colleagues in Finland to use Stata - but now they >>>> recognize that they have to buy StatTransfer on top of it. Of course, this >>>> is my fault, I should have told them before. >>>> >>>> Some days ago there was a thread in the SPSS discussion list showing that >>>> others experience this problem, as well (see: >>>> http://spssx-discussion.1045642.n5.nabble.com/Stata-to-SPSS-conversion-td5722443.html >>>> ). >>>> >>>> Perhaps more important than money is the fact that even buying StatTranfer >>>> does not help in all situations: It does not preserve labels of user missing >>>> values (Stata's exended missing values) when transferring Stata data to SPSS >>>> data (the other way round is also not without problems). To overcome this >>>> problem, I wrote -dta2sav- (availabel on SSC). Unfortunately, if you don't >>>> have an older version of Stata at your disposal (here, -uses13- can help), >>>> you can't use it to transfer Stata 13 (format 117) files to SPSS. >>>> >>>> Of course, you can blame SPSS for not updating their import routines (even >>>> the maintenance of R's -foreign- package has been frozen for Stata formats >>>> after 12, see http://cran.r-project.org/web/packages/foreign/foreign.pdf on >>>> page 5), but this does not help users who want to use Stata in a context of >>>> a majority (or important) colleagues still using SPSS. >>>> >>>> Dirk >>>> >>>> >>>> Sat, 19 Oct 2013 12:17:34 +0100, Nick Cox<njcoxstata@gmail.com> wrote: >>>>> >>>>> So, in summary, you appear to be saying that you know people who could >>>>> afford Stata 13 but are reluctant to buy because they (a) would be in >>>>> difficulty transferring their datasets to SPSS and (b) cannot afford >>>>> StatTransfer as an extra purchase? >>>>> >>>>> That's interesting. I have got to say that they are missing out on a >>>>> great upgrade. >>>>> >>>>> I just checked and a single user academic license [sic] of >>>>> StatTransfer is USD 179. >>>> >>>>> >>>>> >>>>> As I understand, Sergiy's add-ons could help them a lot. >>>>> >>>>> StataCorp would, I think, be interested in hard evidence that they are >>>> >>>>> losing out on sales because people really need a kind of "save to >>>>> SPSS" command before they can decide to buy. I have no insight into >>>>> how SPSS is managed. >>>> >>>> -- >>>> ======================================== >>>> Dr. Dirk Enzmann >>>> Institute of Criminal Sciences >>>> Dept. of Criminology >>>> Rothenbaumchaussee 33 >>>> D-20148 Hamburg >>>> Germany >>>> >>>> phone: +49-(0)40-42838.7498 (office) >>>> +49-(0)40-42838.4591 (Mrs Billon) >>>> fax: +49-(0)40-42838.2344 >>>> email: dirk.enzmann@uni-hamburg.de >>>> http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html >>>> ======================================== >>>> * >>>> * For searches and help try: >>>> * http://www.stata.com/help.cgi?search >>>> * http://www.stata.com/support/faqs/resources/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/faqs/resources/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/faqs/resources/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/faqs/resources/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/faqs/resources/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/faqs/resources/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/faqs/resources/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/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/

**References**:**Re: st: How to re-program -save9- for Stata 13?***From:*Dirk Enzmann <dirk.enzmann@uni-hamburg.de>

**Re: st: How to re-program -save9- for Stata 13?***From:*Sergiy Radyakin <serjradyakin@gmail.com>

**st: Why no error with -table- & trailing -if- ?***From:*Steve Samuels <sjsamuels@gmail.com>

**Re: st: Why no error with -table- & trailing -if- ?***From:*Sergiy Radyakin <serjradyakin@gmail.com>

**Re: st: Why no error with -table- & trailing -if- ?***From:*Nick Cox <njcoxstata@gmail.com>

**Re: st: Why no error with -table- & trailing -if- ?***From:*Steve Samuels <sjsamuels@gmail.com>

**Re: st: Why no error with -table- & trailing -if- ?***From:*Nick Cox <njcoxstata@gmail.com>

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