This post is rather long, sorry.
I have started a new listserv ... called INTROSTAT-L ... that will be
housed here at Penn State, and uses the list server lists.psu.edu. Here is
a brief explanation of what the purpose of the list is, and information
about who the list has been primarily
There are various forms of "nonlinear" PCA, which transform the
variables nonlinearly in such a way that there is maximal data
reduction in a fixed dimensionality. For instance: transform
the variables nonlinearly in such a way that the sum of the
two largest eigenvalues of the correlation matrix
