Re: Uniform: mle

2001-01-02 Thread Robert J. MacG. Dawson
Neeraj Nagarkatti wrote: > > Question: > > Let X_1,...,X_n be a random sample from the Uniform U[0,t] distribution, > i.e. with pdf: > > f(x|t) = 1/t (0 < x < t). > > Obtain the maximum likelihood estimator of t. > > Now the model solution says: > > Because it's a non-regular case, you c

Re: Cannot find an ARIMA model

2001-01-02 Thread Eric Zivot
There is a huge literature on the behavior of stock returns that you should look at before trying to fit models. A good place to start is chapter 2 of The Econometrics of Financial Markets by Campbell, Lo and Mackinnlay (Princeton University Press). Another good source is Modeling Financial Time S

Re: Sudden shift of level

2001-01-02 Thread Eric Zivot
The cumsum test (cumulative sum) is designed for this purpose. "Marcelo Menezes Reis" <[EMAIL PROTECTED]> wrote in message Pine.GSO.4.10.10012291500190.20811-10@venus">news:Pine.GSO.4.10.10012291500190.20811-10@venus... > Greetings > > Does anybody know an algorithm, or a "statistical rule

Re: election issues

2001-01-02 Thread Bob Hayden
Re the discussion of statistical issues in the election on EdStat-L: I saved all the ones that I thought has some statistical merit to a single file. If anyone wants it I could insert the whole thing into one email message. (I thought I might use this in my Math. for Humanities class but it was

Re: topic?

2001-01-02 Thread dennis roberts
At 10:41 AM 1/2/01 +, Bokhorst, Frank wrote: >Bob Hayden asked: > > > Anybody have anything to say about statistical education??? > >I would like to turn the question round, and ask if it might be >possible to summarize relevant material from the recent discussion >on the forum about the US el

Re: Cannot find an ARIMA model

2001-01-02 Thread Alexander Tsyplakov
Try fractionally integrated ARMA, ARFIMA. ARFIMA is said to be "long memory" process. Also note that financial time series are extremely conditionally heteroskedastic. This is captured by ARCH models (autoregressive conditional heteroskedasticity). Also innovations have fat tailed distribution ev

Re: Re: topic?

2001-01-02 Thread Joe Ward
Happy New Year -- Perhaps Laurie Snell will make a good start through the future CHANCE issues. -- Joe Joe Ward 167 East Arrowhead Dr. San Antonio, TX 78228-2402 Home phone: 210-433-6575 Home fax: 210-433-2828 Email: [EMAIL PROTECTED] http://www.ijoa.org/joewar

Re: topic?

2001-01-02 Thread Bokhorst, Frank
Bob Hayden asked: > Anybody have anything to say about statistical education??? I would like to turn the question round, and ask if it might be possible to summarize relevant material from the recent discussion on the forum about the US election saga into a form suitable for teaching purposes