--- Joanne Marshall <[email protected]> wrote:
> do we look at the p values for the im test and bp test to determine
> hetero, and if we do, what p values are we looking for in order to
> determine that?
Yes, if the p-value is less then a pre-chosen value (typically .05, or
.10, or .01) we reject the null hypothesis (in this case: the errors
are homoscedastic).
> and also how can we undertake the type 1 error 5% test, i think i
> have seen this before, but never knew how to work it out!
What I have just said is such a test. It is too much to write a
detailed treaties on this subject here, especially since every intro
stats book will discuss it in detail.
Hope this helps,
Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
___________________________________________________________
Copy addresses and emails from any email account to Yahoo! Mail - quick, easy and free. http://uk.docs.yahoo.com/trueswitch2.html
*
* 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/