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Stephan Ogenstad's Comments

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At 1:28am on March 20, 2011, Mohammad Fayaz said…


It's my proud to join such a great group and meet professional ones.

Recently I have finished "The Role of Statistics in business and science" book, from Gerald J. Hahn and Necip Doganaksoy from Wiley series in probability and statistics.

This book gives me a lot of ideas for working with statistics. And as a student of statistics, it is really enjoyable and interesting.So I think it can be a good source for those who want know more about statistics roles in other science.

Thanks and Regards


At 7:48pm on March 7, 2011, Christopher Bound said…

Thanks Stephan!  I look forward to learning from the knowledge and experience this group has to offer.


At 8:21am on January 28, 2010, Dinesh Choudhary said…
Thank you stephan, i will be happy to be the part of any discussion related to my field.
At 5:41am on August 14, 2009, Clifford Long said…
Stephan - thanks for letting me come aboard.


At 11:59am on May 3, 2009, Tomas Keller (formerly Ohlson) said…
Hi Stephan,

Good to hear that you're from Sweden, we're underrepresented here!

I currently don't have any collaborations with anyone in the US. Looking forward to online collaborations and networking within the AnalyticBridge network.

At 7:50am on April 30, 2009, Elaine Eisenbeisz said…
Hi Stephan,
No, I haven't written anything that has been published on the subject. But I just have a way of explaining things to people that they seem to understand. I'll give an example. Power. It confuses people to no end. Many people think power = type II error. But we know it is 1-beta. When I tell people about power I tell them to think of power as a flashlight, and that significance is hiding in the corner, but he is there. Power can be likened to how bright the flashlight is to see the significance that is truly in the room. Then when they get that idea going I can get a bit more technical...
Another thing is repeated testing and increased Type I error. I tell clients that if they do lots of tests on the same sample they inflate the family wise error rate...and their eyes glaze over, lol. So I can tell them something like, "If you look for a needle in the haystack long enough and hard enough you'll find it, but it is still just a tiny needle.
So, things like this. I keep attempting to start a newsletter for my clients...just so busy!! Maybe it will slow down this summer and I can put more things together.
At 9:18am on April 13, 2009, John Johnson said…

Thanks for the welcome.

On your question about adaptive designs and the FDA, I've found in general the FDA is cautiously accepting of adaptive designs. (CDRH more warmly than CDER/CBER.) Trials using these designs need to have a lot of detail spelled out up front (e.g. alpha spending functions, expected sample size) as well as some assurance that the safety database will be large enough to accurately assess risk-benefit (a hard problem). In addition, some divisions (oncology, neurology) are more accepting than others. Bob O'Neill and Sue Jane Wang are quite familiar with the work and tend to show up to meetings with the less conventional approaches. On one occasion, I've seen the review team recommend an adaptive design over a more conventional design, but that's rare since that usually requires the medical reviewer or team leader to be familiar and comfortable with the methodology.

How do you like NC?
At 10:02am on February 9, 2009, Medha K said…
Dear Stephan,
Thank you for adding me as a member of Statistical Consulting group.

At 7:38pm on February 8, 2009, David S. Schwarz said…
Thank you Steven. I look forward to associating with other consultants and statisticians on this website.
At 10:47am on December 18, 2008, Gary Cline said…
Hi Stephan, Thank you for the invitation to join the group. All is well on my end and I hope the same is true of you. I hope you have a great holiday season.
At 8:00pm on December 3, 2008, lappleton317 said…
thanks. stepham. looking forward to interesting discussions! laura
At 10:04am on November 18, 2008, Talbot Katz said…
Thank you, Stephan! From looking at your profile, I suspect I'm more likely to be a recipient of your wisdom than a contributor to it, but I look forward to interacting with you and the others.
At 10:56am on April 17, 2008, consultsp said…
Sure! And if you need any help on SAS Programming or Data Analysis, let me know.Keep in touch.

At 1:09am on April 17, 2008, Chana Hercenberg said…
Thanks Stephan! You too!
At 11:11am on April 15, 2008, Balaji said…
Thanks for the invite, Stephan
At 11:53am on March 31, 2008, Ravish said…
Hi Stephan;

Hope all is well.....I was wondering if you would be willing & open to meeting with couple of my coworkers. There is no fixed agenda....but an exploratory conversation if there is mutuality of interest of any sort.

At 3:57pm on March 20, 2008, Chana Hercenberg said…
Thanks for the invite, Stephan :)
At 1:44pm on March 20, 2008, Bonnie Behrend said…

Thank you for help in matching job seekers and perfect opportunities. [email protected]
At 9:23am on March 20, 2008, David Morley said…
Thank you for the invite!
At 3:37pm on March 17, 2008, Martyn Richard Jones said…

Thanks for the invitation.


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