世界银行-缓存：一种用于存储和重放任何Stata命令的通用机制（英）-2025.pdfVIP

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uGlobalPovertyMonitoringTechnicalNote

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CACHE

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tAGeneralizedMechanismforStoring

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randReplayingAnyStataCommand

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iR.AndrésCastañedaandDamianClarke

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bMay,2025

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cKeywords:Cache;Stataprogramming;computationalefficiency

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DevelopmentDataGroup

DevelopmentResearchGroup

PovertyandEquityGlobalDepartment

GLOBALPOVERTYMONITORINGTECHNICALNOTE43

Abstract

InthispaperwedescribetheStataprogramcache,whichallowsforthefulloutputof

anyStatacommandtobecachedtodisk,enablingeasyrecoveryofcommandoutputin

thefuturewithouttheneedforre-computation.Thecacheprograminteractswithany

nativeStataoruser-writtencommand,allowingforcachingofanyelementsreturnedby

Statacommands,includingmatrices,scalars,graphs,dataandframes,aswellas

commandoutputitself.Thiscommandisusefulforimprovingprogrammingpractices

andefficiency,particularlyincaseswheretheunderlyingStatacommandsare

computationallyintensiveandslowtorun.

AllauthorsarewiththeWorldBank.ClarkeisalsoaffiliatedwiththeUniversityofChileandUniversity

ofExeter.Correspondingauthor:acastanedaa@.Theauthorswouldliketothank

Christ