Hi.  I want to compare the percentage of correct identifications (taste
test) to the percentage that would be correct by chance 50%?  (only two
items being tasted).  Can I use a t-test to compare the percentages?  What
would I use for the s.d. for by chance percentage?  (0?)

Melady

----- Original Message -----
From: "Donald Burrill" <[EMAIL PROTECTED]>
To: "Rich Ulrich" <[EMAIL PROTECTED]>
Cc: "Shizuhiko Nishisato" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>
Sent: Wednesday, October 24, 2001 8:20 PM
Subject: Re: Graphics & CORRESPONDENCE ANALYSIS


> On Wed, 24 Oct 2001, Rich Ulrich wrote in part:
>
> > It has been my impression (from google) that CA is more popular
> > in European journals than in the US, so there might be better
> > sites out there in a language I don't read.
>
> ("CA" = correspondence analysis,
>  ou en francais  analyse des correspondances)
>
> In Canada, and to a lesser extent in the U.S., correspondence analysis is
> also known under the name "dual scaling".  For references consult
> Professor Emeritus Shizuhiko Nishisato of the University of Toronto:
> Shizuhiko Nishisato <[EMAIL PROTECTED]>.
> -- Don.
>  ------------------------------------------------------------------------
>  Donald F. Burrill                                 [EMAIL PROTECTED]
>  184 Nashua Road, Bedford, NH 03110                          603-471-7128
>
>
>
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