PiFace discussion

I don't understand your question, but it doesn't sound related to power and sample size, so I

I am looking for visual basic code for non-central t inverse that I can incorporate into a Visual

This is very subjective. I suggest thinking about a pilot-study size that works budget-wise, and from

This group is for power and sample size issues, and your question doesn't fit in that category,

thank you for the suggestion. On Wednesday, February 25, 2015 at 7:41:51 AM UTC-8, Lenth, Russell V

That all makes sense. Regarding the 8 IQ points, I wasn't asking about 8 in particular; I was

Hi Dan, I can assure you that I had no problems with the java applets after upgrading to Yosemite.

First, i strongly recommend that you use the dialog for "comparisons and contrasts". You

Thanks for your java applet. I find it great. On the piface webpage: An earlier draft of the Lenth

Well, my intended original question was that which one of those numerous Rush Lenth calculatores, if

Hi, I need to calculate statistical power for one way ANOVA with 3 groups. Can anyone refer me to a

I am sorry I have let this languish unanswered for so long. Basically, my instinct is that it could

Dear Professor Lenth, Your suggestion of comparing the variation worked marvelously.I measured those

I'm not sure I completely understand. Is it that your goal is to fit a multiple regression model

If you have just two groups, I think things will be less confusing if you use the app for the 2-

Everyone, There has not been much activity in this discussion group. Meanwhile, I know of (and

The worst case is when the true pi is .5. That's the case where the CI has maximum width. The

Can someone help me modify he following script or create a new script for use with the pi face? https

I am on a trip and can't answer in detail. But as I understand it you are trying to sample from a

Oh – an additional thing I meant to say. Your four-fold difference appears to be something you

It depends on your goals, eg how accurately you want to estimate whatever it is you want to estimate

Well, I suppose the problem is with the inputs you used for the power calculations. But there are

Hi, We are delighted to invite you at the Grindr - iOS Event May 29th. Grindr is holding the Grindr

I received the following question by e-mail and am copying it here. > Hi : > I am trying to use

Hi I'm trying to draft a proposal for my study in a retrospective setting. A population of a

The quick answer is that I don't know, without a fair amount of other information. This looks

First of all, and this is important, a nonsignificant statistical test is never convincing evidence

This seems like it calls for some sort of regression analysis. The trick is deciding what the x

It depends on the order in which the records were drawn. For example, suppose that our sample of

Thank you Dr. Lenth. On Thursday, 20 February 2014 16:56:11 UTC-6, Lenth, Russell V wrote: Yes, it is