pnorm instead of pt

[morphmet]

-------- Original Message --------
Subject:        pnorm instead of pt
Date:   Wed, 25 Nov 2009 15:57:40 -0800 (PST)
From:   Samuel Okoye <samu...@yahoo.com>
To:     morphmet_modera...@morphometrics.org



Dear all,

I have got z-score data and I would like to apply a t-test for between
to groups! Can I use 2*(1-pnorm(abs(teststat))) instead of
2*(1-pt(abs(teststat),df=DF)) to compute the p-value? I have got also
outliers in the z-scored data, is this OK?

Many thanks in advance,
Samuel



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