gamma and pcc should be the same sign. The relationship to the sign of
beta depends on your contrast. If beta is negative and your contrast
element is negative, then you will get a positive gamma and pcc.
On 09/13/2018 02:15 PM, Nicola Toschi wrote:
> External Email - Use Caution
> Thank you Dou
External Email - Use Caution
Thank you Doug,
that was exactly the question...
it may be a trivial one but I have been messing aroung with several
effects size calculation for a while and just wanted to make sure. So
negative contrast (-1), negative beta.mgh, positive (?) gamma.
not sure what your question is. The pcc should have the same sign as the
contrast.
On 09/13/2018 12:20 PM, Nicola Toschi wrote:
> External Email - Use Caution
>
> Hi List,
>
> a dimple question about using partial correlation (pcc.mgh) as effect
> size measure. I am running multivariate
External Email - Use Caution
Hi List,
a dimple question about using partial correlation (pcc.mgh) as effect
size measure. I am running multivariate regression and setting positive
and negative contrasts one variable at a time, e.g. a design matrix with
columns like
Intercept
