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From |
Austin Nichols <austinnichols@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: programming question for instrument scoring with weights |

Date |
Thu, 9 Jun 2011 11:48:22 -0400 |

Stas; Marguerite <mbaty1@son.jhmi.edu>: I think the -egen- "function" below is meant to be rowtotal(), not total(). But beware of missing values counting as zeros in such a formulation. On Thu, Jun 9, 2011 at 10:52 AM, Stas Kolenikov <skolenik@gmail.com> wrote: ... > I am assuming that your items are coded 1 for yes, 0 for no. Or you > can do this sequentially: > > egen int total_score = total( item1 item2 [fill in the dots] item19 ) > replace total_score = total_score + 4 if item2 == 1 > ... > replace total_score = total_score - 3 if item3a == 1 > > All of these ways are cumbersome, and the more lines of code you have, > the more likely it is you will have an error somewhere. The choice > between different ways of coding your problem is a matter of > aesthetics, and how readable the code will be to you and other users > of it. ... * * 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/

**Follow-Ups**:**Re: st: programming question for instrument scoring with weights***From:*Stas Kolenikov <skolenik@gmail.com>

**References**:**st: programming question for instrument scoring with weights***From:*"Lucea, Marguerite" <mbaty1@son.jhmi.edu>

**Re: st: programming question for instrument scoring with weights***From:*Stas Kolenikov <skolenik@gmail.com>

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