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From |
"Dimitriy V. Masterov" <dvmaster@lily.src.uchicago.edu> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: newbie- syntax question |

Date |
Tue, 26 Aug 2003 12:07:00 -0500 (CDT) |

I think your problem could be fixed by omitting the quotes around the word factor in the replace line. I made some fake data containing random number (y1-y10 and string) and ran the following loop that worked. In general, scalars do not need quotes around them. local i=1 while `i' <= `timeunits' { scalar factor = 10^(`timeunits' - `i') replace string = string+(factor*y`i') local i = `i' + 1 } On Tue, 26 Aug 2003, Rio, Martin wrote: > I am writing a code on stata 8 intecooled (win2k), and am running into what > I guess is a syntax problem. > As soon as the code gets to the loop below, it returns : > *yb1 invalid name > r(198); > > Te loop is: > > while `i' <= `timeunits' { > scalar factor = 10^(`timeunits' - `i') > replace string = string+(`factor'*y`i') > local i = `i' + 1 > } > > I think the syntax error is in the way I try to multiply each variable (y1, > y2, ..., y`timeunits') by the corresponding factor. The way I am setting it > up seems consistent with other Stata commands that I have used, but I am no > an expert on Stata syntax. I'd appreciate if someone could point out my > error? > > Thanks > > Martín Rio > Charles River Associates > Washington, DC > phone: (202) 662-3957 > fax: (202) 662-3910 > > > * > * For searches and help try: > * http://www.stata.com/support/faqs/res/findit.html > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ > _______________________________________________________________________________ Dimitriy V. Masterov Work: Center for Social Program Evaluation 1155 East 60th St. Room 038 Chicago, IL 60637 Work: (773)256-6005 Fax: (773)256-6313 Home: 1312 East 53rd St., Apt.309 Chicago, IL 60615 Mobile: (773)220-2760 * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**RE: st: newbie- syntax question***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

**References**:**st: newbie- syntax question***From:*"Rio, Martin" <MRio@crai.com>

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