Re: [R] Reproducibility of experiment

From: Marc Schwartz <marc_schwartz_at_comcast.net>
Date: Wed, 12 Dec 2007 11:49:36 -0600

On Wed, 2007-12-12 at 17:23 +0100, darteta001_at_ikasle.ehu.es wrote:
> Dear list,
>
> I have an experiment that I have run 10 times in order to find out its
> reproducibility. I wonder if there is any function that I can use for

> obtaining a significance value of reproducibility or agreement of
> measurements. I thought of coefficient of variation but, as far as I
> know, I would have to set a threshold for saying the experiment is not
> reproducible. Any pointers to something more "objective" would be very
> helpful.
>
> Thanks
>
> David

I suspect that you are going to have to be more specific regarding the subject matter and the experimental design so that those with the requisite expertise could comment.

If this is looking at a continuous measure (ie. instrumentation measurements), you could look at Bland-Altman methods. More information here:

  http://www-users.york.ac.uk/~mb55/meas/meas.htm

Otherwise, given that Google returns almost a million hits with the phrase "reproducibility of experiment"...

HTH, Marc Schwartz



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