I take the oportunity as I am Greek...
It originates from the the ancient Greek verb skedannymi.
skedastic (or "skedasmos" in Greek) means dispersion
George
>From: Mike Procter <[log in to unmask]>
>Reply-To: Mike Procter <[log in to unmask]>
>To: [log in to unmask]
>Subject: Re: "Dumba" question #27
>Date: Wed, 12 Mar 2003 01:27:39 -0000
>
>I haven't seen it used as a word in its own right. The two compounds
>homoscedastic and heteroscedastic are common enough: the first means
>"having equal variances", in relevant subgroups, such as the two
>populations
>in a t-test, or across values of the predictor in regression. The second
>means unequal variances. The C is pronounced hard, and sometimes spelt K,
>It's Greek, of course, from a word meaning able to be dispersed.
>
>----- Original Message -----
>From: "Jay Warner" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Tuesday, March 11, 2003 5:26 PM
>Subject: "Dumba" question #27
>
>
> > With cross posting apologies....
> >
> > What is an "official" definition and etymological origin of the word
> >
> > skedastic or is it skidastic? or scedastic?
> >
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