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From |
siyama@who.int |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: RE: RE: RE: RE: Using postfile |

Date |
Thu, 20 May 2004 19:15:46 +0200 |

Hello again, I apologize that my query still lacks clarity. I will go back to auto.dta, for example there are two tabulations below: tab rep78 for, matcell(new) Repair | Record | Car type 1978 | Domestic Foreign | Total -----------+----------------------+---------- 1 | 2 0 | 2 2 | 8 0 | 8 3 | 27 3 | 30 4 | 9 9 | 18 5 | 2 9 | 11 -----------+----------------------+---------- Total | 48 21 | 69 tab rep78 wg, matcell(newg) Repair | Record | wg 1978 | 0 1 | Total -----------+----------------------+---------- 1 | 0 2 | 2 2 | 0 8 | 8 3 | 1 29 | 30 4 | 5 13 | 18 5 | 1 10 | 11 -----------+----------------------+---------- Total | 7 62 | 69 matrix list new new[5,2] c1 c2 r1 2 0 r2 8 0 r3 27 3 r4 9 9 r5 2 9 matrix list newg newg[5,2] c3 c4 r1 0 2 r2 0 8 r3 1 29 r4 5 13 r5 1 10 I wish to output the content of the matrices "new" and "newg" to one dataset (or *.txt) whose records will be r1-r5 and variables will be c1 c2 c3 c4. I hope that is clearer and my apologies for the confusion once again. Best regards, Amani -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox Sent: 20 May 2004 18:31 To: statalist@hsphsun2.harvard.edu Subject: st: RE: RE: RE: Using postfile Sorry, I don't know what you have in mind by a dataset of matrices. Nick n.j.cox@durham.ac.uk > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of > siyama@who.int > Sent: 20 May 2004 17:22 > To: statalist@hsphsun2.harvard.edu > Subject: st: RE: RE: Using postfile > > > Dear Nick, > > Thanks for your response. I am sorry for the confusion, I want to > create a dataset of the matrices created by "matcell", for example: > > foreach Y in educ sector region { > tab hrh `Y', matcell(mat`Y') > } > > My thanks for your help in advance. > > Amani > > > > > > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox > Sent: 20 May 2004 17:26 > To: statalist@hsphsun2.harvard.edu > Subject: st: RE: Using postfile > > You can't -post- a whole matrix in this way. -post- is essentially to > be used within a loop; each time round the loop you write another line > -- another observation -- into the file. In [P] postfile there's an > example in which a mean and a sd are posted. > > I am not clear how your problem differs from wanting a series of > tables, in which case the easiest approach is to loop over variables > and record the results in a log file. > > Nick > n.j.cox@durham.ac.uk > > > -----Original Message----- > > From: owner-statalist@hsphsun2.harvard.edu > > [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of > > siyama@who.int > > Sent: 20 May 2004 16:11 > > To: statalist@hsphsun2.harvard.edu > > Subject: st: Using postfile > > > > > > I am struggling with a short programme to create a file of > different > > cross-tabulations. Here's the program and the corresponding output > > using auto.dta > > > > program hrh > > version 8.0 > > tempname sim > > postfile `sim' str20 matcell using results, replace > > tab `1' `2', matcell(matcell) > > post `sim' (matcell) > > postclose `sim' > > end > > ************************************************************** > > ************* > > > > sysuse auto > > hrh rep78 fore > > Repair | > > Record | Car type > > 1978 | Domestic Foreign | Total > > -----------+----------------------+---------- > > 1 | 2 0 | 2 > > 2 | 8 0 | 8 > > 3 | 27 3 | 30 > > 4 | 9 9 | 18 > > 5 | 2 9 | 11 > > -----------+----------------------+---------- > > Total | 48 21 | 69 > > > > type mismatch > > post: above message corresponds to expression 1, variable matcell > > r(109); > > > > > > I would greatly appreciate any help to what is going wrong!! > > Also what must > > I add to an ado program to make a running session of stata > acknowledge > > the modifications I am making. > > > > Many thanks. > > > > Amani > > > > > > -----Original Message----- > > From: owner-statalist@hsphsun2.harvard.edu > > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox > > Sent: 20 May 2004 16:47 > > To: statalist@hsphsun2.harvard.edu > > Subject: st: RE: Re: RE: Random number seed > > > > That's correct. I overlooked the importance of doing in it in batch > > mode. It follows that you must change the seed within your do file. > > > > Nick > > n.j.cox@durham.ac.uk > > > > > -----Original Message----- > > > From: owner-statalist@hsphsun2.harvard.edu > > > [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of > Subhankar > > > Nayak > > > Sent: 20 May 2004 15:41 > > > To: statalist@hsphsun2.harvard.edu > > > Subject: st: Re: RE: Random number seed > > > > > > > > > You are right. > > > Once I open stata and generate random numbers, the seed keeps on > > > changing and it is completely randomized. > > > > > > But since the program is long, I am running it without > > opening stata. > > > I am running it in the batch mode giving the command > > > > > > stata -b do market.do > > > > > > This program opens stata each time and hence gets the > same seed and > > > the same set of random numbers each time. > > > > > > Thanks, > > > Subh > > > > > > ----- Original Message ----- > > > From: "Nick Cox" <n.j.cox@durham.ac.uk> > > > To: <statalist@hsphsun2.harvard.edu> > > > Sent: Thursday, May 20, 2004 10:24 AM > > > Subject: st: RE: Random number seed > > > > > > > > > > Your premise is false. Just because the seed remains > the same does > > > > not imply identical samples (of a given size). > > > > Conversely, explicitly setting the seed to the same > > number as before > > > > the last call does ensure an identical sample. > > > > > > > > However, you can indeed change the seed easily. > > > > > > > > . search seed > > > > > > > > points to ways of doing this. > > > > > > > > More generally, there is a great deal of help on-line, which > > > > will save you time. > > > > > > > > Nick > > > > n.j.cox@durham.ac.uk > > > > > > > > > -----Original Message----- > > > > > From: owner-statalist@hsphsun2.harvard.edu > > > > > [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of > > > Subhankar > > > > > Nayak > > > > > Sent: 20 May 2004 15:16 > > > > > To: statalist@hsphsun2.harvard.edu > > > > > Subject: st: Random number seed > > > > > > > > > > > > > > > Can the stata random number seed be itself randomized? > > > > > > > > > > I am running a program called "market.do" in the batch > > > mode without > > > > > invoking/opening stata. This program carries out an > > analysis based > > > > > on a set of 1,000 uniform random numbers it generates. > > > > > > > > > > However, since the random seed is always the same > > > everytime I run the > > > > > program in batch mode, I get the same set of 1,000 > > random numbers > > > > > each time I run this program in batch mode. Results are > > identical > > > > > which defeats the purpose. > > > > > > > > * > > > > * 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/ > > > > > > > > > > > > > * > > > * 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/ > > > > > > > * > > * 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/ > > * > > * 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/ > > > > * > * 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/ > * > * 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/ > * * 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/ * * 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/

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