Hi Ricardo,
No these are means (units kilograms).
You are right I probably dont want the chi-square. But I do want something
like a t-test for the difference of means. Is there any tabular way i can
get it ?
arnab
>
>--- Alexander Nervedi <[email protected]> wrote:
>
>>
>> table year treatment, c(mean output)
>>
>> Pre Post
>> -----------+------------------------+----------
>> Y1 | 26 33 | 99
>> Y2| 36 66 | 132
>> -----------+------------------------+----------
>> Total | 62 99 | 231
>>
>> provides me a distribution of the mean output across
>> two pre-treatment and
>> two post-treatment years. is there any way i can get
>> a report of chi2 test
>> for (Y2 (pre) & Y1 (post)), (Y1(pre) and Y2(post)
>> and overall pre-and post?
>>
>> The objective is see if there were statistically
>> disntinguishable
>> differences in output across treatment and control
>> groups.
>>
>
>Your question is confusing. Are these counts? If not,
>are you sure you want a chi-square?
>
>Ricardo.
>
>__________________________________________________
>Do You Yahoo!?
>Tired of spam? Yahoo! Mail has the best spam protection around
>http://mail.yahoo.com
>*
>* For searches and help try:
>* http://www.stata.com/support/faqs/res/findit.html
>* http://www.stata.com/support/statalist/faq
>* http://www.ats.ucla.edu/stat/stata/
_________________________________________________________________
Express yourself instantly with MSN Messenger! Download today - it's FREE!
http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
