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From | francesco manaresi <manaresi@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: My program does not accept more than two args |
Date | Sun, 2 May 2010 11:57:08 +0200 |
Thank you very much to both: that was my mistake! f On Sun, May 2, 2010 at 12:32 AM, Tirthankar Chakravarty <tirthankar.chakravarty@gmail.com> wrote: > Try this: > ************************************************** > sysuse auto, clear > cap prog drop normreg > program define normreg > version 11.0 > args lnf mu sigma > qui replace `lnf'=log(normalden(($ML_y1-`mu')/`sigma')) /// > -log(`sigma') > end > ml model lf normreg (mean: mpg=weight length) (variance:) > ml check > ml max > ************************************************** > > T > > 2010/5/2 Richard Williams <Williams.NDA@comcast.net>: >> At 05:04 PM 5/1/2010, francesco manaresi wrote: >>> >>> This may be obvious, if so I apologize in advance: I am a newbie in >>> programming. >>> I want to implement a maximum-likelihood estimate, but got problems in >>> letting the program accept more than 2 arguments (in args). >>> Consider the simplest case: a normal model. The program is: >> >> Incidentally, I highly recommend Stata's ML programming book: >> >> http://www.stata.com/bookstore/mle.html >> >> That page includes links to the programs and data sets used in the book. >> >> >> ------------------------------------------- >> Richard Williams, Notre Dame Dept of Sociology >> OFFICE: (574)631-6668, (574)631-6463 >> HOME: (574)289-5227 >> EMAIL: Richard.A.Williams.5@ND.Edu >> WWW: http://www.nd.edu/~rwilliam >> >> * >> * 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/ >> > > > > -- > To every ω-consistent recursive class κ of formulae there correspond > recursive class signs r, such that neither v Gen r nor Neg(v Gen r) > belongs to Flg(κ) (where v is the free variable of r). > > * > * 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/ > * * 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/