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From |
Richard Goldstein <richgold@ix.netcom.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: matrix problem |

Date |
Wed, 15 May 2013 11:37:04 -0400 |

Maarten, Scott thank you very much; each solution works :-) Best, Rich On 5/15/13 11:18 AM, Scott Merryman wrote: > If you create a new matrix equal to r(table) you to reference > individual elements: > > sysuse auto,clear > somersd price mpg > mat a = r(table) > scalar c = a[1,1]+ 2 > scalar list c > > Scott > > > On Wed, May 15, 2013 at 10:13 AM, Maarten Buis <maartenlbuis@gmail.com> wrote: >> you can exctract a scalar from a table using the -el()- function, see >> -help el()-. >> >> -- Maarten >> >> On Wed, May 15, 2013 at 5:04 PM, Richard Goldstein >> <richgold@ix.netcom.com> wrote: >>> Hi all, >>> >>> I am using Newson's -somersd- command (from ssc); results, including the >>> piece I want, are saved in a matrix and I can list that matrix: >>> >>> . mat list r(table) >>> >>> r(table)[9,1] >>> yhat1 >>> b .62563699 >>> se .00834334 >>> t 74.986391 >>> pvalue 3.73e-257 >>> ll .60924043 >>> ul .64203354 >>> df 452 >>> crit 1.9652262 >>> eform 0 >>> >>> My problem comes in attempting to use the [1,1] term (.62563699 here); >>> for example, I can't seem to list it: >>> >>> . matrix li r(table)[1,1] >>> [ invalid name >>> matrix [1,1] not found >>> r(111) >>> >>> and I can't do what I want to do - add this value to a scalar: >>> >>> scalar cstat=cstat+r(table)[1,1] >>> invalid syntax >>> r(198) >>> >>> note that cstat is not the problem as it is defined (as 0) prior to >>> entering my loop >>> >>> clearly I am doing something wrong but I have been unable to figure out >>> what it is or how to fix it >>> >>> Rich >>> * >>> * 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/ >> >> >> >> -- >> --------------------------------- >> 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/ > * > * 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**:**st: matrix problem***From:*Richard Goldstein <richgold@ix.netcom.com>

**Re: st: matrix problem***From:*Maarten Buis <maartenlbuis@gmail.com>

**Re: st: matrix problem***From:*Scott Merryman <scott.merryman@gmail.com>

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