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From | "Anat (Manes) Tchetchik" <anatmanes@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: Ologit question |
Date | Wed, 31 Oct 2012 17:00:08 +0200 |
so If the null is rejected for all tests (which is just what I received now: . test _b[cut1:_cons]=_b[cut3:_cons], accum ( 1) [cut1]_cons - [cut2]_cons = 0 ( 2) [cut1]_cons - [cut3]_cons = 0 chi2( 2) = 48.22 Prob > chi2 = 0.0000 it means that's the cuts are sig. different, right? On Wed, Oct 31, 2012 at 4:47 PM, Austin Nichols <austinnichols@gmail.com> wrote: > Anat (Manes) Tchetchik <anatmanes@gmail.com>: > E.g. > sysuse auto, clear > ologit rep78 foreign length mpg > mat li e(b) > test _b[cut1:_cons]=_b[cut2:_cons] > test _b[cut1:_cons]=_b[cut3:_cons], accum > test _b[cut1:_cons]=_b[cut4:_cons], accum > > > On Wed, Oct 31, 2012 at 10:12 AM, Anat (Manes) Tchetchik > <anatmanes@gmail.com> wrote: >> OK, thank you very much >> >> On Wed, Oct 31, 2012 at 4:08 PM, Maarten Buis <maartenlbuis@gmail.com> wrote: >>> On Wed, Oct 31, 2012 at 2:58 PM, Anat (Manes) Tchetchik wrote: >>>> Running -test- yeilds : >>>> test >>>> >>>> ( 1) [tier_reversed]profit = 0 >>>> ( 2) [tier_reversed]oncology = 0 >>>> ( 3) [tier_reversed]cardiology = 0 >>>> ( 4) [tier_reversed]clinical_services = 0 >>>> ( 5) [tier_reversed]length_stay_tot = 0 >>>> ( 6) [tier_reversed]age = 0 >>>> ( 7) [tier_reversed]income = 0 >>>> ( 8) [tier_reversed]H_index = 0 >>>> ( 9) [tier_reversed]publications = 0 >>>> (10) [tier_reversed]doctors = 0 >>>> (11) [tier_reversed]revenue = 0 >>>> Constraint 11 dropped >>>> >>>> chi2( 10) = 24.65 >>>> Prob > chi2 = 0.0060 >>>> not sure I understand what it means and how it referes to the cuts >>> >>> That is obviously not testing the null hypothesis that you wanted to >>> test. So first define the null hypothesis, than read the help file of >>> -test- to see how you can use -test- to test that null hypothesis. >>> >>> -- Maarten >>> >>> --------------------------------- >>> Maarten L. Buis >>> WZB >>> Reichpietschufer 50 >>> 10785 Berlin >>> Germany >>> >>> http://www.maartenbuis.nl >>> --------------------------------- >>> * >>> * 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/ >> >> >> >> -- >> Anat Tchetchik, PhD >> Department of Hotel and Tourism Management >> Guilford Glazer Faculty of Business and Management >> Ben-Gurion University of the Negev >> P.O.Box: 653 >> Beer-Sheva, Israel, 84105 >> >> E-mail: anat@som.bgu.ac.il >> Phone 972-(0)8-6479735 >> Fax: 972-(0)8-6472920 >> Web: http://cmsprod.bgu.ac.il/Eng/som/hotelmanage/Staff/Academic/ChechikA.htm >> * >> * 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/ -- Anat Tchetchik, PhD Department of Hotel and Tourism Management Guilford Glazer Faculty of Business and Management Ben-Gurion University of the Negev P.O.Box: 653 Beer-Sheva, Israel, 84105 E-mail: anat@som.bgu.ac.il Phone 972-(0)8-6479735 Fax: 972-(0)8-6472920 Web: http://cmsprod.bgu.ac.il/Eng/som/hotelmanage/Staff/Academic/ChechikA.htm * * 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/