myriamlr / exposition-family

Automatically exported from code.google.com/p/exposition-family
0 stars 0 forks source link

nominalCheck when data are nominal with barycenters #84

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago
nominalCheck fails when the data are nominal and with barycenters, I think. See 
the ADNI data.

Original issue reported on code.google.com by DerekBea...@gmail.com on 9 Sep 2013 at 2:13

GoogleCodeExporter commented 9 years ago
Just when the data are already nominal, I am unsure why...

Original comment by DerekBea...@gmail.com on 23 Sep 2013 at 1:22

GoogleCodeExporter commented 9 years ago
This pushes us into a corner... it appears that MCA must be a categorical 
analysis if I'm going to put these checks in place. 

If I have already bary-centric data or sqrt(N) data or something, then, I think 
we are forced to do just CA + corrections via the eigen.correction function.

Original comment by DerekBea...@gmail.com on 29 Oct 2013 at 10:32

GoogleCodeExporter commented 9 years ago
This seems to be fine, actually. Perhaps there are rounding issues? Closing for 
now.

Original comment by DerekBea...@gmail.com on 6 Dec 2013 at 6:43