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From |
William Buchanan <william@williambuchanan.net> |

To |
"statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |

Subject |
Re: st: Possible problem with Stata 12 and memory management |

Date |
Mon, 3 Oct 2011 21:42:42 -0700 |

Add -set trace on- to your syntax and you should be able to find out where things are going wrong. That output would probably also be helpful to the folks at StataCorp since it would give them an indication of where in the code things are going wrong. Lastly, have you tried to replicate this error with the Stata datasets? Good luck, Billy Sent from my iPhone On Oct 3, 2011, at 19:17, "Kieran McCaul" <Kieran.McCaul@uwa.edu.au> wrote: > ... > > First the preliminaries: > I have Stata IC 12.0 running under Windows 7 64-bit OS. > I have 4GB of RAM. > I run Stata do-files from UltraEdit. > > I'm running a do-file that crashes when it reaches a -reshape-. > Nevertheless, I can get it reshaped, but only if I first save the file > just prior to running the -reshape- and only if I do this from the > Command Window; I can't get the -reshape- to run from within the > do-file. > > I am not quite sure what the problem is, but I suspect that it is a > memory issue. > Any help would be appreciated. > > > > The file to be reshaped is large: > > .describe > > Contains data from c:\A1\ttt.dta > obs: 890,474 > vars: 24 4 Oct 2011 09:21 > size: 125,556,834 > -------------------------------------------------------------- > storage display value > variable name type format label variable label > -------------------------------------------------------------- > sequence str5 %9s > diagcode1 str6 %9s > diagcode2 str6 %9s > diagcode3 str6 %9s > diagcode4 str6 %9s > diagcode5 str6 %9s > diagcode6 str6 %9s > diagcode7 str6 %9s > diagcode8 str6 %9s > diagcode9 str6 %9s > diagcode10 str6 %9s > diagcode11 str6 %9s > diagcode12 str6 %9s > diagcode13 str6 %9s > diagcode14 str6 %9s > diagcode15 str6 %9s > diagcode16 str6 %9s > diagcode17 str6 %9s > diagcode18 str6 %9s > diagcode19 str6 %9s > diagcode20 str6 %9s > diagcode21 str6 %9s > diagcode22 str6 %9s > order float %9.0g > -------------------------------------------------------------- > Sorted by: sequence order > > > Below is the output showing what I did in order to get the reshape to > work. > > 1. The first -reshape- was called from within a do-file and it crashed > with error r(603). > > . reshape long diagcode, i(sequence order) j(diag) > (note: j = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22) > file C:\Users\Kieran\AppData\Local\Temp\ST_00000002.tmp could not be > opened > r(603); > > end of do-file > > r(603); > > 2. I then ran the -reshape- command from the Command window and it > crashed again. And I repeated this, just to be sure, and got the same > result. > > . reshape long diagcode, i(sequence order) j(diag) > (note: j = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22) > file C:\Users\Kieran\AppData\Local\Temp\ST_00000002.tmp could not be > opened > r(603); > > . reshape long diagcode, i(sequence order) j(diag) > (note: j = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22) > file C:\Users\Kieran\AppData\Local\Temp\ST_00000002.tmp could not be > opened > r(603); > > 3. I then compressed the data in memory and ran the -reshape- again: > same error. > > . compress > order was float now int > > . reshape long diagcode, i(sequence order) j(diag) > (note: j = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22) > file C:\Users\Kieran\AppData\Local\Temp\ST_00000002.tmp could not be > opened > r(603); > > 4. So then I tried -set mem-, but that is now disabled in Stata 12. > > . set mem 600m > set memory ignored. > Memory no longer needs to be set in modern Statas; memory > adjustments are performed on the fly automatically. > > 5. Then I saved the data in memory to a file and re-ran the -reshape- > and it worked. > > . save "c:\A1\ttt", replace > (note: file c:\A1\ttt.dta not found) > file c:\A1\ttt.dta saved > > . reshape long diagcode, i(sequence order) j(diag) > (note: j = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22) > > Data wide -> long > ------------------------------------------------------------------------ > ----- > Number of obs. 890474 -> 2.0e+07 > Number of variables 24 -> 4 > j variable (22 values) -> diag > xij variables: > diagcode1 diagcode2 ... diagcode22 -> diagcode > ------------------------------------------------------------------------ > ----- > > > 6. So I edited the do-file and added a -save- command just prior to the > -reshape- and re-ran the do-file and it crashed again. > . > . save "c:\A1\ttt", replace > file c:\A1\ttt.dta saved > > . > . reshape long diagcode, i(sequence order) j(diag) > (note: j = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22) > file C:\Users\Kieran\AppData\Local\Temp\ST_00000002.tmp could not be > opened > r(603); > > end of do-file > > r(603); > > 7. I then closed other programs that I had running (Outlook and File > Manager) and re-ran the do-file but it crashed at the -reshape- again. > . > . save "c:\A1\ttt", replace > file c:\A1\ttt.dta saved > > . > . reshape long diagcode, i(sequence order) j(diag) > (note: j = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22) > file C:\Users\Kieran\AppData\Local\Temp\ST_00000002.tmp could not be > opened > r(603); > > end of do-file > > r(603); > > 8. Finally, I closed UltraEdit and ran the do-file from the Stata Editor > but it again crashed at the -reshape-. > > . save "c:\A1\ttt", replace > file c:\A1\ttt.dta saved > > . > . reshape long diagcode, i(sequence order) j(diag) > (note: j = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22) > file C:\Users\Kieran\AppData\Local\Temp\ST_00000002.tmp could not be > opened > r(603); > > end of do-file > > r(603); > > > > > ______________________________________________ > Kieran McCaul MPH PhD > WA Centre for Health & Ageing (M577) > University of Western Australia > Level 6, Ainslie House > 48 Murray St > Perth 6000 > Phone: (08) 9224-2701 > Fax: (08) 9224 8009 > email: Kieran.McCaul@uwa.edu.au > http://myprofile.cos.com/mccaul > http://www.researcherid.com/rid/B-8751-2008 > > "One can be beaten up in school simply by referring to oneself as one" - > Sheldon > ________________________________________________________________________ > __ > IMPORTANT: This email is intended for the use of the individual > addressee(s) named above and may > contain information that is confidential, privileged or unsuitable for > overly sensitive persons with low > self-esteem, no sense of humour or irrational religious beliefs. If you > are not the intended recipient, > any dissemination, distribution or copying of this email is not > authorised (either explicitly or implicitly) > and constitutes an irritating social faux pas. > > > * > * 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/

**References**:**st: Possible problem with Stata 12 and memory management***From:*"Kieran McCaul" <Kieran.McCaul@uwa.edu.au>

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