Re: stats packages for Unix

1999-12-07 Thread David Cross/Psych Dept/TCU
This is great ... I had lost my reference to this site and product. Thanks! On Sat, 4 Dec 1999, KO wrote: Hello: I would suggest R (aka GNU-S). You cane find more information about it at http://www.stat.cmu.edu/R/CRAN/ I highly recommend it. Sincerely, Kouros Owzar ([EMAIL

Re: Software for logistic regression

1999-12-07 Thread David Cross/Psych Dept/TCU
SYSTAT has an excellent log regression procedure and it may be cheap enough for you. On Sun, 5 Dec 1999, FourCubed wrote: Hello everyone! Can anyone tell me the least expensive software for performing a (conditional) logistic regression. SPSS and SAS are too expensive, and I don't have

Re: stats packages for Unix

1999-12-09 Thread David Cross/Psych Dept/TCU
Thanks! On Mon, 6 Dec 1999, Peter Parzer wrote: try stata http://www.stata.com David Cross/Psych Dept/TCU [EMAIL PROTECTED] wrote: : Check out the following websites: : http://forrest.psych.unc.edu/ : http://www.linuxapps.com/ : Cheers, : David Cross : On Thu, 2 Dec 1999, Bob

Re: Suggest book for Logistic Regression

2000-03-02 Thread David Cross/Psych Dept/TCU
In my experience Hosmer and Lemeshow is the best intro, although it is not a perfect book for all users. One limitation/strength (depending on your perspective) is that it is oriented towards the biomedical sciences. On Thu, 2 Mar 2000 [EMAIL PROTECTED] wrote: I want to buy an intro. book on

Re: Three-way ICCs?

2000-03-10 Thread David Cross/Psych Dept/TCU
Shavelson Webb have a book on Generalizability Theory that covers this topic quite nicely. If you have trouble tracking it down, I can provide a complete reference. On Fri, 10 Mar 2000, Nicolas Sander wrote: Is there a way to calculate three-way ICCs (eg. Rater x Targets x rated

Re: Cluster and outliers

2000-03-15 Thread David Cross/Psych Dept/TCU
I would start by looking in Seber's text, Multivariate Observations. I am not sure because I don't have it handy right now, but I think the topic is covered. There is an excellent discussion of principal components and outliers for sure in Seber. On Sun, 12 Mar 2000, Nicolas MEYER wrote: Hi

Re: comparing variances

2000-04-06 Thread David Cross/Psych Dept/TCU
Yorgi: There is a standard test for comparing variances from two independent samples, and it is discussed in most intro stat texts. The test statistic has an F-distribution, and degrees of freedom are what you would expect for the sample variances. Hope this helps, David Cross On Wed, 5 Apr

Re: Quick Portable Statisitcs

2000-04-20 Thread David Cross/Psych Dept/TCU
One of my favorites is "Table Polishing" or "Median Polishing", discussed in Tukey Mosteller's "Green Book", Data Analysis and Regression. David Cross On Wed, 19 Apr 2000 [EMAIL PROTECTED] wrote: I am looking for a source of "portable staistics", i.e. techniques that are easy to remember

Re: How to compare kappas?

2000-04-20 Thread David Cross/Psych Dept/TCU
You might want to check section 10.5 in Agresti, Categorical Data Analysis, 1990, Wiley. On Thu, 20 Apr 2000, Mats Carlsson wrote: Sorry if this has come up before, but here it goes. Is there a way I can compare kappa-values? The backgound is as follows: Four physicians has coded a 100

Re: Question about kappa

2000-04-28 Thread David Cross/Psych Dept/TCU
I think I would consider using generalizability theory for this problem. Shavelson and Webb have a good book out on the subject, published by Sage. On Thu, 27 Apr 2000, Robert McGrath wrote: I am looking for a formula for kappa that applies for very special circumstances: 1) Two raters

RE: Exploratory data analysis

2000-05-03 Thread David Cross/Psych Dept/TCU
It doesn't get any better than the orange and green books, by Tukey, and Mosteller Tukey, respectively. On Wed, 3 May 2000, Chen, Peter wrote: Dear Colleagues, I recall I have read some exchanges about the exploratory data analysis. Would you share with me your favorite