Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Invalid Syntax


From   Amir Sadeghi Emamgholi <[email protected]>
To   [email protected]
Subject   Re: st: Invalid Syntax
Date   Mon, 11 Nov 2013 10:58:02 -0500

Thanks Richard and Fernando.

I read the help on - drop - but did not notice that - drop varlist -
doesn't accept - if - .
Putting - drop - in an - if - works. Good way to work with commands
that don't accept - if - Fernando!
Thanks to both of you, again. - Amirsa

On Mon, Nov 11, 2013 at 10:45 AM, Fernando Rios Avila
<[email protected]> wrote:
> If the intention of the loop is to drop "empty" vars, i would use the
> following command
> foreach i in E_I3 E_I4 E_I5 E_I6 E_I7 E_I8 E_I9 E_I10 E_I11 {
>       qui summ `i'
>       if r(N) == 0 {
>      drop `i'
>      }
> }
>
> HTH
> Fernando
>
> On Mon, Nov 11, 2013 at 10:36 AM, Amir Sadeghi Emamgholi
> <[email protected]> wrote:
>> Hello Statalisters,
>>
>> Sorry for this stupid question. I cannot figure out the problem with
>> my drop command in the following loop. When I run it I get the -
>> Invalid Syntax - error message.
>>
>> The loop:
>>
>> foreach i in E_I3 E_I4 E_I5 E_I6 E_I7 E_I8 E_I9 E_I10 E_I11 {
>>       qui summ `i'
>>       drop `i' if r(N) == 0
>> }
>>
>> Thanks!
>> Amirsa
>>
>> P.S. when I use - drop "`i'" if r(N) == 0 - I get the - "E_I3 invalid
>> name - error message.
>> *
>> *   For searches and help try:
>> *   http://www.stata.com/help.cgi?search
>> *   http://www.stata.com/support/faqs/resources/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/faqs/resources/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/faqs/resources/statalist-faq/
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2018 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index