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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:
> * 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/
>
> *********************************************
> 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/
>
> *
> * 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/
>
> *********************************************
> 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/
>
*
* 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/
*********************************************
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/
*
* 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/