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From |
"Nick Winter" <nwinter@policystudies.com> |

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

Subject |
st: RE: RE: RE: RE: RE: tabulation of variables |

Date |
Mon, 23 Sep 2002 11:49:05 -0400 |

I would do this: foreach v1 of varlist v4-v50 { foreach v2 of varlist v1 v2 v3 { capture tab `v2' if `v1'==. if _rc { tab `v2' if `v1'=="&" } } } The -capture- will prevent an error if it is not a numeric variable, and the "if _rc" will then execute the other form of the command. Nick > -----Original Message----- > From: Banya, Winston [mailto:w.banya@ic.ac.uk] > Sent: Monday, September 23, 2002 11:43 AM > To: 'statalist@hsphsun2.harvard.edu' > Subject: st: RE: RE: RE: RE: tabulation of variables > > > Thanks Nick. It seems to work but some of the variables are > not numeric and > so when I took that into account I am geeting an error message. > > I wrote in the last line you sent me: list 'v2' if 'v1'==. | > 'v1'=="&" and > then the error message was that 'v1'is an invalid name. Note > the in this > database the missinbg value for a string variable is > designarted as &. How > can I modify it ? > > Winston > > -----Original Message----- > From: Nick Winter [mailto:nwinter@policystudies.com] > Sent: 23 September 2002 16:23 > To: statalist@hsphsun2.harvard.edu > Subject: st: RE: RE: RE: tabulation of variables > > > Unless I'm misunderstanding, then my code will do it for you. Calling > your variables v1 to v50: > > foreach v1 of varlist v4-v50 { > foreach v2 of varlist v1 v2 v3 { > tab `v2' if `v1'==. > } > } > > It is not one line, but it is pretty quick and easy to do. > > If you actually want the cases listed, rather than tabulated, just > substitute "list" for "tab" above. > > If you want to list all three of the variables v1 v2 v3, then: > > foreach v1 of varlist v4-v50 { > list v1 v2 v3 if `v1'==. > } > > --Nick Winter > > ----------------------------------------------------------- > Nicholas Winter, Ph.D. P 202.939.5343 > Policy Studies Associates F 202.939.5732 > 1718 Connecticut Avenue, NW nwinter@policystudies.com > Washington, DC 20009-1148 www.policystudies.com > ----------------------------------------------------------- > > > -----Original Message----- > > From: Banya, Winston [mailto:w.banya@ic.ac.uk] > > Sent: Monday, September 23, 2002 11:20 AM > > To: 'statalist@hsphsun2.harvard.edu' > > Subject: st: RE: RE: tabulation of variables > > > > > > Thanks Nick but I am not sure if I am getting it right. The > > 'd' is among the > > variables just likje a b or c but a b and c do not have > > missing values and > > in a way are unique. So imagine that my variables are > > labelled 1-50 and 1-3 > > do not have missing values, then starting with variable 4 to > > variable 50 I > > want all the 1-3 that have missing values in variables 4 - 50 > > but one at at > > time in a single command. I want 1-3 listed for missing > > values in 4, 5, 6 > > etc one at a time. > > > > Winston Banya > > > > -----Original Message----- > > From: Nick Winter [mailto:nwinter@policystudies.com] > > Sent: 23 September 2002 16:12 > > To: statalist@hsphsun2.harvard.edu > > Subject: st: RE: tabulation of variables > > > > > > Assuming you want to do this: > > > > tabulate a if d==. > > tabulate b if d==. > > tabulate c if d==. > > > > for each of many variables d, the following code wil do it for you: > > > > foreach v1 of varlist <list of 'd' variables> { > > foreach v2 of varlist a b c { > > tab `v2' if `v1'==. > > } > > } > > > > Nick Winter > > > > > -----Original Message----- > > > From: Banya, Winston [mailto:w.banya@ic.ac.uk] > > > Sent: Monday, September 23, 2002 11:06 AM > > > To: 'statalist@hsphsun2.harvard.edu' > > > Subject: st: tabulation of variables > > > > > > > > > Dear All, > > > > > > I am working on a dataset with several variables ( more than > > > 50) and I want > > > list missing values in terms of 3 variables. For example if > > > variable d has > > > missing values, then I will want to list all the a, b or c > > > for which d is > > > missing. I want to issue just one command to do that for me > > > rather doing it > > > for one variable at a time. Can someone please show me > how to do it? > > > > > > > > > Winston Banya > > > Care of The Elderly Section > > > Imperial College School of Medicine > > > Hamersmith Hospital Campus > > > Du Cane Road > > > London W12 0NN > > > > > > Tel: (+44) 0208 383 4284 > > > Fax: (+44) 0208 383 3378 > > > Email: w.banya@ic.ac.uk > > > > > > * > > > * 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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