Raschmodelling

2001-01-16 Thread Mag. Stefan Höfer
I`d like to obtain information about computersoftware (free, trail or commercial) to calculate rasch modell. Stefan = Instructions for joining and leaving this list and remarks about the problem of INAPPROPRIATE MESSAGES are

Re: Effect statistics for non-normality

2001-01-16 Thread Robert J. MacG. Dawson
Will Hopkins wrote: A supplementary question: Some time ago I saw someone defaulting to a non-parametric analysis when the sample size was small. My first reaction was: "that's precisely when you don't want to use non-parametrics, because they have less power than parametrics with small

Re: MA MCAS statistical fallacy

2001-01-16 Thread J. Williams
On Mon, 15 Jan 2001 19:47:49 -0500, Rich Ulrich [EMAIL PROTECTED] wrote: Concerning the MCAS. There was a discussion last month in another Usenet group, alt.usage.english, concerning one of its math questions which was written too loosely. Here is the start of that thread. The thread has

Re: MA MCAS statistical fallacy

2001-01-16 Thread Robert J. MacG. Dawson
Rich Ulrich wrote: Construing the language as precisely as possible, but being careful to take into account the full language of the question and the multiple-choice answers, what do you think the correct answer is? Do you think the question is actually OK? Is the wording good enough as

Re: Logistic regression and Relative risk

2001-01-16 Thread Rich Ulrich
On Fri, 12 Jan 2001 12:09:38 +0100, Tor A Strand [EMAIL PROTECTED] wrote: Logistic regression and Relative risk (RR) In some statistical applications (eg. SAS) RR is an option in logistic regression. This is rarely used in Scientific literature where some authors even report odds ratios

Re: Raschmodelling

2001-01-16 Thread Paul R Swank
Try this site. Winsteps is available commercially but bigsteps, the dos precurser, is available free. http://www.winsteps.com/winsteps.htm At 10:30 AM 1/16/01 +0100, Mag. Stefan Höfer wrote: >I`d like to obtain information about computersoftware (free, trail or >commercial) to calculate rasch

Re: Sample size for acceptance sampling

2001-01-16 Thread Rich Ulrich
On 11 Jan 2001 16:28:50 -0800, [EMAIL PROTECTED] (Eric Scharin) wrote: All - I have a problem which I am hoping someone can help me solve. (No, this is not a problem from class, but a real-life problem from industry.) A product has a specification of = 1 defect/10 cm^2. The product has

Re: Raschmodelling

2001-01-16 Thread Johannes Hartig
Try Winmira, you can obtain info a free trial version under http://winmira.von-davier.de/index.shtml HTH, Johannes I`d like to obtain information about computersoftware (free, trail or commercial) to calculate rasch modell. Stefan

Re: By trial, or by subject?

2001-01-16 Thread Elliot Cramer
In sci.stat.edu Rich Ulrich [EMAIL PROTECTED] wrote: : If it is some other data... When you have multiple replications, : sometimes you don't want the *mean* -- for "best single performance" : you might select maximum or minimum. Or you might consider a trimmed or in a situation where you

Re: Effect statistics for non-normality

2001-01-16 Thread Will Hopkins
Here's a response to the two people who have replied to the list about my query. (Thanks heaps for your input. This list is wonderful. If it ever loses its institutional support, and noone else wants to pick it up, I will. I'd run it with listproc, and we would have moderators to filter

Re: AW: MA MCAS statistical fallacy

2001-01-16 Thread Jerry Dallal
Werner Wittmann wrote: See the regression artifact primer at Dave's homepage: http://nw3.nai.net/~dakenny/rrtm.htm I looked at http://nw3.nai.net/~dakenny/primer.htm and found myself puzzled by the Galton squeeze plot (or is it a pair link diagram, or are they one and the same?). It shows

Re: MA MCAS statistical fallacy

2001-01-16 Thread dennis roberts
At 11:33 AM 1/16/01 -0400, you wrote: 37. When Matt's and Damien's broad jumps were measured accurately to the nearest foot, each measurement was 21 feet. Which statement best describes the greatest possible difference in the lengths of Matts jump and Damien's jump? A. One jump could be

Problem on the probability of death

2001-01-16 Thread Rich Strauss
I have what seems to be a straightforward question involving a conditional probability, but I must be missing something because I can't quite get a handle on it. Let's say I have treatment and control groups with individuals preassigned to each, with T individuals in the treatment group and C in

Re: Problem on the probability of death

2001-01-16 Thread Jeff Rasmussen
I think the probability is 100%, see: http://www.theonion.com/onion3102/deathrate.html Jeff Rasmussen [EMAIL PROTECTED] = Instructions for joining and leaving this list and remarks about the problem of INAPPROPRIATE MESSAGES

(G)ARCH models and MS Excel

2001-01-16 Thread Chow, Ying-Foon
Does anyone have experience in doing ARCH or GARCH models in MS Excel? Any pointers or examples are appreciated. Regards, -- Ying-Foon Chow Department of Finance Tel: (+852) 2609 7638 The Chinese University of Hong KongFax: (+852) 2603 6586 Shatin, New Territories,