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st: Re: no observations


From   Roger Newson <roger.newson@kcl.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   st: Re: no observations
Date   Tue, 18 May 2004 21:19:36 +0100

At 16:02 18/05/04 -0400, cheryl wrote:

Hi,

Hoping someone can help with the following problem:
Followed these directions to get my data into Stata
1. How do I get information from Excel into Stata?
Using your Windows or Macintosh computer,
Start Excel.
Enter data in rows and columns OR read in a previously-saved file.
Highlight the data of interest, then pull down Edit and choose
Copy.
Start Stata and enter the data editor (type edit once Stata is
running).
Paste data into editor by pulling down Edit and choosing Paste

Minor problem that saving is not an option from the pull-down
menu, so I clicked on the disk.

Now here is the real problem:
 . edit
 (32 vars, 50 obs pasted into editor)
 - preserve

 . save "C:\Documents and Settings\Cheryl Spinner\Cheryl Spinner\My
 Documents\Columbia\Thesis\usnwr3.dta"
file C:\Documents and Settings\Cheryl Spinner\Cheryl Spinner\My
Documents\Columbia\Thesis\usnwr3.dta saved
 . reg overallscore endowment
 no observations
 r(2000);

If 50 obs are pasted in, how come there are no observations?
All my data except for headers are numeric values.

What am I doing wrong and what do I need to do?
I suspect that Stata thinks that either overallscore or endowment is a string variable. Before typing reg, type

describe

and Stata will list the variables it thinks it has. If the type of a variable begins with "str", then Stata has read it as a string variable, and not a numeric variable. This sometimes happens if you have typed in non-numeric characters in a numeric field.

Hope this helps.

Roger


--
Roger Newson
Lecturer in Medical Statistics
Department of Public Health Sciences
King's College London
5th Floor, Capital House
42 Weston Street
London SE1 3QD
United Kingdom

Tel: 020 7848 6648 International +44 20 7848 6648
Fax: 020 7848 6620 International +44 20 7848 6620
or 020 7848 6605 International +44 20 7848 6605
Email: roger.newson@kcl.ac.uk
Website: http://www.kcl-phs.org.uk/rogernewson

Opinions expressed are those of the author, not the institution.

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