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

# Re: st: variable algorithm

 From Michael McCulloch To statalist@hsphsun2.harvard.edu Subject Re: st: variable algorithm Date Sun, 13 Feb 2011 08:45:57 -0800

```Jet, other useful resources for newly leaning Stata are the Stata Net Courses:
http://stata.com/netcourse/
and books such as "A Gentle Introduction to Stata, 3rd Edition":
http://stata.com/bookstore/acock3.html
Michael

On Feb 13, 2011, at 8:36 AM, Marcello Pagano wrote:

> Try
> . help generate
> and followup on --if--
>
> m.p.
>
> On 2/13/2011 11:29 AM, Jet wrote:
>> Hi, M.P.,
>>
>>    I know this is a simple question to many veteran Stata users; I
>> tried to use the "findit" help at Stata, but did not find useful
>> information. Do you know where is the relevant information located?
>> thanks a lot.
>>
>>    Jet
>>
>>
>> On Sun, Feb 13, 2011 at 11:19 AM, Marcello Pagano
>> <pagano@hsph.harvard.edu>  wrote:
>>> Dear Jet,
>>>
>>>
>>> m.p.
>>>
>>>
>>> On 2/13/2011 11:12 AM, Jet wrote:
>>>>
>>>> Dear Statalisters:
>>>>
>>>>       I am to convert nine variables into a new variable with three
>>>> categories ( X1 X2 .... X9, each variable coded 0, 1, 2 3, thus
>>>> ranging from 0-27). The rules of converting into into three categories
>>>> are as follows:
>>>>
>>>>       Category 1: MDD if X1 or X2>=2 AND 5 or more other variables>=2;
>>>>       Category 2: OTHER if X1 or X2>=2 AND 2, 3, 4 variables>=2;
>>>>       Category 3: NEITHER if neither of the above conditions are met.
>>>>
>>>>    thank you very much.
>>>>
>>>>   Jet
>>>>
>>>> *
>>>> *   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/
>>>
>>
>> *
>> *   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/

Best wishes,

Michael McCulloch, LAc MPH PhD
Pine Street Foundation
124 Pine Street
San Anselmo, CA 94960-2674
tel:	415-407-1357
fax: 	206-338-2391

*
*   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/
```