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RE: st: RE: Data Filtering Question ...


From   "Martin Weiss" <[email protected]>
To   <[email protected]>
Subject   RE: st: RE: Data Filtering Question ...
Date   Fri, 24 Sep 2010 23:24:13 +0200

<>

It is all neatly described in manual [U], 11.1.3. . As a new Stata user, you
probably have Stata 11, so you have access to the pdf documentation via the
help menu.

RE -inrange()-, also see NJC`s
http://www.stata-journal.com/sjpdf.html?articlenum=dm0026



HTH
Martin


-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of John Whitmer
Sent: Freitag, 24. September 2010 23:14
To: [email protected]
Subject: Re: st: RE: Data Filtering Question ...

Excellent!  this worked perfectly, and I can now concatenate! 

Best, John

On Sep 24, 2010, at 2:08 PM, Dimitriy V. Masterov wrote:

You can try this:

list if (hascontent_binary==1) & (totalstudents > 10 &
!mi(totalstudents)) & inrange(TotalHits, 50,100000)



On Fri, Sep 24, 2010 at 4:26 PM, John Whitmer <[email protected]> wrote:
> Martin,
> 
> This appears to work when I enter it into the filter menu, but when I
enter an additional filter, it removes the previous one.  I tried the first
filter, which worked well, but when I added the second filter, there were
additional records - I'm assuming that it deleted the first one.
> 
> Is there a way to apply multiple filters from that window simultaneously?
> 
> I've tried the command window, which takes a long time to process, but did
not filter out any observations.
> 
> Again, much appreciate your help.
> 
> Best, John
> 
> On Sep 24, 2010, at 1:17 PM, Martin Weiss wrote:
> 
> 
> <>
> 
> You are more than welcome, John! You could also -browse if...-
> 
> 
> HTH
> Martin
> 
> 
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of John Whitmer
> Sent: Freitag, 24. September 2010 22:15
> To: [email protected]
> Subject: Re: st: RE: Data Filtering Question ...
> 
> Thank you, thank you, thank you!!
> 
> -John
> 
> On Sep 24, 2010, at 1:11 PM, Martin Weiss wrote:
> 
> 
> <>
> 
> ***********
> list if hascontent_binary==1
> list if totalstudents > 10 & !mi(totalstudents)
> list if inrange(TotalHits, 50, 100000)
> ***********
> 
> 
> HTH
> Martin
> 
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of John Whitmer
> Sent: Freitag, 24. September 2010 22:04
> To: [email protected]
> Subject: st: Data Filtering Question ...
> 
> I just installed Stata v11 this morning, and have been getting my hands
> dirty.  As you might tell, I'm analyzing a dataset from a Learning
> Management System for a university.
> 
> I'm flummoxed about how to filter data.  I'd appreciate your help, I've
> tried the help files and searched the web to little avail.  I've found the
> "Filter Observations" menu, but all my expressions are returning errors.
> 
> Here are examples of the filters I'd like to run:
> 
> Variable "hascontent_binary" =1
> Variable "totalstudents" > 10
> Variable "TotalHits" is between 50 and 100,000
> 
> Apologies for the newbie question - you can relieve a headache today!
> 
> Thanks, John
> 
> 
> *********************************************
> John Whitmer
> E: [email protected]
> P: 530.554.1528
> C: 530.574.8827
> Skype: john.whitmer
> 
> 
> 
> 
> *
> *   For searches and help try:
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> *
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> 
> *********************************************
> John Whitmer
> E: [email protected]
> P: 530.554.1528
> C: 530.574.8827
> Skype: john.whitmer
> 
> 
> 
> *
> *   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/
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> *
> *   For searches and help try:
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> *   http://www.ats.ucla.edu/stat/stata/
> 
> *********************************************
> John Whitmer
> E: [email protected]
> P: 530.554.1528
> C: 530.574.8827
> Skype: john.whitmer
> 
> 
> 
> 
> *
> *   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/
> 

*
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*********************************************
John Whitmer
E: [email protected]
P: 530.554.1528
C: 530.574.8827
Skype: john.whitmer




*
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*   http://www.ats.ucla.edu/stat/stata/

*
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