Saturday, February 18, 2006

Re: st: Re: slow

I`m using stata 9, thanks

> At 05:28 PM 2/16/2006, Michael Blasnik wrote: >>I think you are stuck with my original option 3 -- get a faster >>computer. I'm not that familiar with xtabond2, but it's probably a >> good guess given what little I do know that they require a lot of >> calculations. One other possibility- if you are allocating more >> memory than is physically available you could speed things up quite a >> bit by adding RAM. If the hard drive is being used a lot during the >> do file, then that may be the problem. > > The program does suggest one other possibility if you aren't doing it > already: use Stata 9. The docs say "xtabond2 is written to take > advantage of the Mata programming language first included in Stata 9.0. > It works in Stata 7 and 8, but runs much faster in Stata 9 or later." > > Also, some programs that are having convergence problems will run > better if you use the "difficult" option. I don't know if xtabond2 is > one of them or not. > > As a sidelight, there is one other little thing in the docs I like: > > "Citation > xtabond2 is not an official Stata command. It is a free > contribution to the research community, like a paper. Please cite it as > such: Roodman, D. 2005. xtabond2: Stata module to extend xtabond > dynamic panel data estimator. Center for Global Development, > Washington. >" > > I think that is a good idea, at least for a major estimation program > like xtabond2. A lot of authors just seem to assume that some > nameless Stata programmer received enormous amounts of money for this > program they are running. > > > > > ------------------------------------------- > Richard Williams, Notre Dame Dept of Sociology > OFFICE: (574)631-6668, (574)631-6463 > FAX: (574)288-4373 > HOME: (574)289-5227 > EMAIL: Richard.A.Williams.5@ND.Edu > WWW (personal): > WWW (department): > > * > * For searches and help try: > * > * > *

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